常見例句用作名詞 (n.)Where coal is cheap, steam power may be economical.煤便宜的地方，蒸汽動(dòng)力就經(jīng)濟(jì)。The equipment was originally powered by steam.這個(gè)機(jī)器最初使用蒸汽動(dòng)力。 返回 steam-power