短语词组短語water chiller -heater units 冷熱水機組desalted water pre -heater 軟水預熱器air -source water chiller-heater unit 空氣源冷熱水機組water -bed heater 水牀加熱器a water -heater 熱水器gas water -heater 煤氣燒水爐;繙譯 返回 water-heater