内燃发动机 Internal combustion engine

稀燃发动机 LEB Lean -Burn Engine ; lean burn engine

内燃发电机 internal combustion generating unit ; [电] internal combustion engine generator

双燃发动机 dual combustion engine

煤自燃发火 spontaneous combustion of coal

内燃发电机组 internal combustion generating set

阻燃发泡级聚苯乙烯 Fire resistant foamed polystyrene

直列式内燃[发动]机 in-line engine

自燃发火 spontaneous combustion

燃料电池发电 fuel cell power generation ; Fuel Cell Generation