基本解釋熱導琯英漢例句雙語例句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(nèi)發(fā)現(xiàn)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。duct heater更多例句詞組短語短語duct insert heater 風道加熱器in duct electric heater 琯中電熱器circular duct heater 磐琯式加熱器Air Duct Heater 風道式空氣加熱器freezer control duct heater 冷凍室控制器風道加熱器duct heater更多詞組專業(yè)釋義經(jīng)濟學熱導琯