pollution source gases 污染源气体
Correct selection of source gases and their compositions is one of the critical factors for si trench etching.
源气体及组分的选择是硅槽刻蚀技术的关键因素。
Our use of fossil fuels is the main source of excess greenhouse gases.
我们对化石燃料的使用是温室气体过量的主要来源。
Direct emissions of methane from cows and pigs is a significant source of greenhouse gases.
直接来自于牛和猪的甲烷排放是温室气体的重大来源。
应用推荐