常见例句双语例句The water source heat pump substituted for coal-fired boiler will reduce waste heat loss. It has a certain economic and environmental benefits.如果用水源热泵机组代替原来矿区所用的燃煤锅炉机组，可减少废热散失，这将具有一定的经济效益和环境效益。 返回 waste-heat loss