常見例句Boilerless steamers are most efficient and produce enough steam quickly enough for almost all steamer needs. 無鍋爐蒸汽機(jī)是最有傚能的蒸汽機(jī)了，可以快速産生所有蒸汽機(jī)所需的足夠的蒸汽。 返回 boilerless