1)air water heat pump,空气 水热力泵2)water/air heat pump,水/空气热泵3)air-water heat pump,空气/水热泵4)air to water heat pump,空气-水热泵5)water-air heat pump,水-空气热泵6)all air heat pump,全空气式热力泵
用法例句
Makes experiments on the operating performance of air-water heat pump units under low temperature conditions.