火花塞知识(专业的)
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: break-all; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">火化塞的热值表什么？<SPAN lang=EN><BR>答：火化塞的热值表示其散热快慢，数值越大就散热越快（或称为火花塞越冷），不同的发动机要求使用的火花塞不同，必须匹配。一般而言，轿车的行使速度快，压缩比高，需用热值较高的（散热快）的火花塞，大行车行使速度缓慢，一般用热值低（散热慢）的火花塞。 <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: break-all; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><BR>若火花塞的热值不对，会有什么影响？<BR>答：热值越高，集散热越快，易使火花塞的温度越低，点火头部产生积碳，引起跑电，试火花塞跳不出火来；<BR>热值过低，散热不够，使火花塞温度过高，会导致爆燃等，易使火花塞头部陶瓷烧损，电极溶解。 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">火花塞的热型和冷型怎样区别？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：火花塞分为热型、冷型、中型三种。我国是按照他的绝缘体的长短来区分的，火花塞旋如燃烧室的一段绝缘体长者为热型、较短着为中型、最短者为冷型。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">拆卸火花塞的注意什么？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：火花塞使用一段时间后，可能会有一个或几个火花塞拆卸时有点困难，那么，应待发动机充分冷却后再拆这样就会容易些。如果火花塞拧的太紧，也可以用煤油或松丝剂点滴在为花塞垫圈和螺纹处，平稳用力地旋动火花塞直至火花塞松动，拆下为花塞前要吹去火花塞周围的污物，以防火花塞旋出后，污物落入燃烧室内，套筒不能倾斜，否则容易损坏火花塞绝缘体。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">安装火花塞时要注意什么？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">1</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、要注意对准螺纹。特别是火花塞孔较深，需用专用工具，旋入时如感阻力较大，切忌盲目用力，以免拧乱螺纹，造成损坏。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>2</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、拧紧火花塞时，扭紧力矩要符合技术规范，不要拧的过松过紧，以免漏气或损坏火花塞和火花塞孔。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>3</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、安装分缸线时，要联按牢靠，防止虚接。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">怎样判定火花塞的好坏？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">1</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、检查为花塞间隙是否符合要求。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>2</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、检查火花塞裙部是否有污染和积炭。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>3</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、检查侧电极是否损坏及中心电极是否漏电。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>4</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、检查火花塞绝缘体是否开裂或破损。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>5</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、检查绝缘体芯与壳体之间是否松动漏气。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>6</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、检查火花塞密封垫圈是否漏气。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>7</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">、进行跳火试验。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">火化塞做跳火实验时，如点火系统正常而火化塞不跳火原因是什么？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">1</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">火化塞绝缘体外表污染，形成电流短路，这是应清洗绝缘体表面，除去污染物。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>2</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">火化塞未清洗干净，仍有严重的油污、积碳、使电流沿裙部表面短路而不能跳火，应仔细重新清洗。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>3</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">火化塞电极间“跨连”直接形成电极短路，除去连接物即可。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>4</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">绝缘体某处开裂或易被击穿，高压电流沿开裂击穿处与壳体短路，使间隙不能形成电火花，这是应及时更换火化塞。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>5</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">电极间隙太大，点火系统电压达不到击穿电压要求而不能跳火。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">火花塞油污是什么原因：</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：一般是由于烧机油或电力系统问题所致，具体原因及解决辚法参见下表：</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">原因</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">解决办法</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">烧机油</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">换活塞环或镗缸处理</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">冬天气温底，油雾化不好</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">检修</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">供电能力弱</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"> </SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">检修高压线，分火头及分电器盖上的触点，点火线圈</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">样判定火花塞过热</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">:<BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：判定火花塞过热，可以以火花塞绝缘部的颜色上来判别，</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">当绝缘部呈现棕褐色时表示过热，当裙部出现金属状熔</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">珠时表示火花塞严重过热。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">火花塞过热的原因为什么？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">1</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">）火花塞热值较小。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>2</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">）火花塞固定不牢固，致使散热不良。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>3</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">）发动机过热，引起火花塞过热。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>4</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">）火花塞旋入过长，绝缘体部过份伸入燃烧室。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR>5</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">）火花塞与气缸密封不良，被外泄的高温气体加热。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">什么是铅污染？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：主要由于使用了劣质含铅汽油造成，在火花塞点火头部附着了汽油中的铅，造成短路，中高速时会熄火。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">绝缘体陶瓷和铁壳体结合部发生电晕放电是怎么回事？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：绝缘体陶瓷和铁壳体结合部位有时会发生电晕放电（也叫闪烙现象）</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">,</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">是正常现象</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">,</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">在晚间甚至可以看见，这不是火花塞漏电或漏气，不影响火花塞使用。拆下火花塞时，有时会在铁壳与陶瓷结合嘀咕位出现茶色污垢，是由于高压员的作用，使飘浮在空中的油粒子被吸附在绝缘体陶瓷表面造成，对火花塞性能没有影响。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">如何清理火花塞及气缸盖上的火花塞孔？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：将火花塞旋出一半时，用毛刷将火花塞孔周转的污物清理干净后，再将火花塞取下，用毛刷或棉丝清理火花塞上的污物，必要时可用砂纸清理点火头部。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">怎样保养、更换火花塞？</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">答：</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">1)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">定期检查</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">,</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">清洗调整</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">.<BR> 2)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">使用时保持火花塞绝缘体的清洁干燥。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR> 3)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">检修发动机时，防止碰撞火花塞绝缘体。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><BR> 4)</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">经济寿命过后</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black">,</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: " new="" mso-hansi-font-family="" roman="" times="">应一次更换全部火花塞。</SPAN><SPAN lang=EN style="FONT-SIZE: 9pt; COLOR: black"><o:p></o:p></SPAN></P> 专业，专业的就顶:lol :lol :lol :victory: 太专业了 专业的就的学习 比较专业,下次我把各个车型需要的型号和各大品牌的型号互换表发给大家看看. :loveliness:
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