常見例句雙語例句Few works has been mentioned for soot formation derived from lump-coal combustion in stoker-fired boiler.研究層燃爐煤燃燒的碳黑形成機(jī)理，對(duì)減少?zèng)@染物排放和提高燃燒傚率有重要意義。 返回 lump-coal combustion