尾气中一氧化碳的排放量限制在4.5% 以下。
The limit for carbon monoxide is 4.5 per cent of the exhaust gas.
这将减少尾气排放。
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.
不仅简化了尾气处理装置，而且二恶英的排放量也能达到国家相关标准。
These treatments not only simplified the device of tail gas treatment but the amount o…
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.
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.
应用推荐