... ZDDP: zinc dialkyldithio-phosphate 二烷基二硫代磷酸锌 ZEV: zero emission vehicle 零排放车 ZLEV: zero-level emission vehicle 零排放车 ...
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The result basically showed the character and level of motor vehicle emission in Chinese city.
结果反映目前中国城市机动车污染物排放水平及各污染物排放特征。
But the laboratory measurement can not clearly reflect the vehicle emission level under real-world condition, for the restriction of their place and equipment.
但是实验室测量由于其受场地条件和测功机测量范围等方面的限制，不能很好的反映车辆在实际使用时的排放状况。
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