The gas can be cooled by a heat exchanger after the air heater.烟气可以用空气加热器后的热交换器来冷却.Electric heater or ultrasonic knurling device can be installed.可选装电热或超声波滚花装置.Includes: infeed table, membrane press , outfeed table, vacu...
Always buy a heater with thermostat control to save on running costs.始终购买可调温度的取暖器以节省使用成本。"The heater works."—"What heater?".。。“加热器起作用了。”——“什么加热器？”There's an electric heater in the bedroom.卧室里有个电暖器。...