发动机水套水热交换器
engine jacket water heat exchanger
水管热水锅炉
water tube hot water boiler
水套水热交换器
jacket water heat exchanger
地热热水田
Geothermal hot water field
地热水水源热泵
hot ground water heat pump
电热热水锅炉
electric hot water boiler
间接加热热水供应系统
indirect heating hot water supply system
晶闸管热管自冷
heat pipe natural cooling of thyristor