Power generation industry is the largest exhaust source of greenhouse gas; it takes up above 40% of total greenhouse gas exhaustvolume in the energy industry.
发电业是最大的温室气体排放源，占整个能源行业温室气体排放总量的40%以上。
2
As more and more cars are produced and used, so the emission from their exhaust-pipes contains an ever larger volume of poisonous gas.
随着越来越多的汽车被制造和使用，这些汽车排气管里的排放物所包含的有毒气体的总量也越来越多。
3
Interlinked with the exhaust port volume of the space c, is gradually reduced, and is in the discharge process.