![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
[主观题]
按气门数目配气机构的分类()
A.进气门
B.排气门
C.双气门
D.多气门
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
第8题
A.进气门0.25-0.30mm,排气门0.30-0.35mm
B.进气门0.30-0.35mm,排气门0.25-0.30mm
C.进气门0.20-0.25mm,排气门0.30-0.35mm
D.进气门0.15-0.20mm,排气门0.30-0.35mm
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