water heater
旁热式电子管
heater tube【电子】;indirectly heated tube【电子】
暂无补充释义。
相关词条
water heater
heating body (heater, radiator, heating element)
feed-water heater with plain ended pipes for steam
storage heater
air heater
feed-water heater (feed-water preheater) air preheater
steam heater