片语
operating cylinder piston head[车辆]
hoist piston rod head block起重机活塞桿块
piston top活塞顶;活塞头
equalising piston squeeze head多触头压头
shock absorber piston head减震器活塞头
piston rod cro head活塞桿十字头
piston rod cross head活塞桿十字头
piston head end活塞头端面
dished piston head凹形活塞顶
piston head plate活塞顶板
piston crown活塞冠;活塞顶;活塞头