duct heater
常见例句
- From the large amount of ash deposited in the pre-heater and flue gas duct which mostly contains sulfate, it could be concluded that the corrosion was the sulfuric acid dew point corrosion.
与此同时，在预热器及烟道内发现有大量灰垢，其主要成分为硫酸盐，可判断腐蚀系硫酸露点腐蚀所致。 返回 duct heater