基本解釋[機械工程]三缸曲柄泵詞組短語短語three -throw crank pump 三柺曲柄泵;詳細繙譯three throw crank pump coupling 三缸曲柄泵連軸器three throw crank pump更多詞組專業(yè)釋義機械工程三缸曲柄泵