短语词组短语piston with shakeable cylinder 摆动缸活塞泵;摆动缸活塞泵联轴器;晃动缸活塞泵independent shakeable cylinder block 独立可摆动液缸体iston with shakeable cylinder 摆动缸活塞泵piston pump with shakeable cylinder 摆动缸活塞泵 返回 shakeable