常見例句雙語(yǔ)例句The high power shaft alternator constant frequency systems developed by Siemens is introduced, which is suitable for large container ships.介紹了西門子開發(fā)的大功率軸帶交流發(fā)電機(jī)恒頻供電裝置，適用于大型集裝箱船； 返回 shaft alternator