基本解释[機械工程]擺動缸活塞泵英汉例句雙語例句Piston pump with shakeable cylinder;擺動缸活塞泵；piston with shakeable cylinder更多例句词组短语短語piston pump with shakeable cylinder 擺動缸活塞泵piston with shakeable cylinder更多词组专业释义機械工程擺動缸活塞泵