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.
與此同時，在預熱器及菸道內發現有大量灰垢，其主要成分爲硫酸鹽，可判斷腐蝕系硫酸露點腐蝕所致。 返回 duct heater