短語詞組短語diaphragm piston pump 隔膜活塞泵;隔閡活塞泵diaphragm plunger pump coupling 隔膜柱塞泵聯(lián)軸器diaphragm blood pump 隔膜型血泵mechanical diaphragm metering pump 機械隔膜式計量泵double diaphragm metering pump 雙隔膜計量泵diaphragm meter pump 隔膜式計量泵Diaphragm fuel pump 膜片式燃油泵;膜片式燃料泵;膜片燃料泵single diaphragm metering pump 單隔膜計量泵 返回 diaphragm pump