概述了三苯废气的产生及对人体的极大危害。
Summarized the great hazard caused by the waste gas containing benzene.
控制船舶主机滑油的温度，有利于提高柴油机的动力性并且在一定程度上可以减少燃料消耗量和废气的产生。
It is advantageous to exaltation diesel engine of motive and to some extent can decrease the fuel consume quantity and waste gas of creation if we can control the lube oil on a well temperature.
燃料电池汽车不排放废气，产生的是脂肪酸盐和水。
Instead of exhaust fumes, the fuel-cell car produces soap and water.
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