piston underside的意思|示意

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piston underside相关短语

1、 piston underside pumping 活塞下部泵作用

2、 piston underside pump 活塞下侧泵

3、 piston underside pump scavengine 活塞底泵扫气

4、 piston underside pump scavenging 活塞下侧泵扫气

5、 underside of piston crown 活塞顶内侧

6、 underside of the piston head 活塞头下部