What's the requirement for the forced ventilation system for crankcase? 發動機曲軸箱強制通風的要求?
Direct escaping gas to either an appropriate disposal unit or a forced ventilation system where it can be safely diluted and remotely vented. 直接把逃逸氣體導入合適的處理裝置,或者導入強制通風系統,在那裡能夠安全地稀釋氣體並排放到遠處。