organic fraction
... organic forms of soil nitrogen ==> 土壤氮的有机类型 organic fraction ==> 有机馏份 organic friction material ==> 有机耐磨材料 ...
基于10个网页-相关网页
芴是重要的有机化工原料，多从煤焦油的洗油馏份中提出，也可从蒽油中提出。
Fluorene is an important material in organic chemical industry. It is usually extracted from the washing oil or anthracene oil distillate of coal tar.
youdao
应用推荐
模块上移
模块下移
不移动