duct heater
常見例句
- 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.
與此同時，在預(yù)熱器及煙道內(nèi)發(fā)現(xiàn)有大量灰垢，其主要成分為硫酸鹽，可判斷腐蝕系硫酸露點腐蝕所致。 返回 duct heater