This article has first analyzed the subway job location specialdetails, has the pollutant hazardous nature, thus elaborated in thesubway tunnel job location mechanical adequately ventilated necessity.
英语翻译本文首先分析了地铁施工现场的具体情况,产生污染物的危害性,从而论述了在地铁隧道施工现场机械通风的必要性.不要机译