汽车引擎排出的气体非常有害。
汽车产生的废气和从化工厂排出的气体同样有害。
The cars produce waste gases almost as harmful as the gases from chemical factories.
高炉煤气是炼铁高炉排出的气体中含有的可燃成分的气体!
Blast furnace gas is the expulsion of gas blast furnace ironmaking contain flammable ingredient of gas!
应用推荐