常見例句雙語例句Natural gas driven VM cycle heat pump works according to the theory of closed VM refrigeration cycle using thermal as power with regenerators.天然氣驅(qū)動VM循環(huán)熱泵按VM熱動力閉式氣體回熱制冷循環(huán)原理工作，其應用對于能源和環(huán)境的可持續(xù)發(fā)展具有重要意義。 返回 vm cycle heat pump