请求高手看看翻译对不对? because it makes it easier to control the reaction , i prefer to mix 2-methyl-5-ethylpyridine with an inert gas, such as carbon dioxide, nitrogen,or flue gas ,before passing it in vapor phase through the reaction tube。 i needn’t,however,mix the vapors with an inert gas ;for the 2-methyl-5-ethylpyridine may be mixed with air ,or it need not be mixed with anything. 以上就是完整的整段话了,请各位揣摩看看?查看更多