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控制汽车尾气排放主要有两个方面。
There are two main ways to control vehicle emission pollutants.
youdao
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工厂排放的废弃和汽车尾气对我们的环境是巨大的威胁。
The exhuast gas from factories and cars is a great threat to our environment.
youdao
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工厂排放的废弃和汽车尾气对我们的环境是巨大的威胁。
The exhuast gas from factories and cars is a great threat to our environment.
youdao