The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青叶烷加酸再精馏或长期贮存,可以提高产品质量。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青叶烷加酸再精馏或长期贮存,可以提高产品质量。
声明:以上例、词均由互联网资源自动生成,部未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。