基本解釋[能源科學(xué)技術(shù)]機(jī)掘工作面詞組短語(yǔ)短語(yǔ)fully mechanized heading face 綜掘工作面mechanized heading face更多詞組專業(yè)釋義能源科學(xué)技術(shù)機(jī)掘工作面In coal mine, the mechanized heading face is the chief place where dust is produced. It is also the place where gas and coal-dust explosion frequently occurs.機(jī)掘工作面是煤礦井下主要產(chǎn)塵地點(diǎn)之一,也是煤塵瓦斯爆炸事故的多發(fā)地點(diǎn),如何有效地控制機(jī)掘工作面粉塵擴(kuò)散,防止工作面瓦斯局部集聚,已成為礦井掘進(jìn)通風(fēng)急需解決的問(wèn)題。