crude benzene的用法和樣例：
例句
- The crude benzene hydrorefining process routes were described.
粗苯是焦炭生產(chǎn)的副產(chǎn)品。 - The consumption of crude benzol is obviously reduced by decreasing the extraction temperature properly and it doesn't influence the efficiency of dephenolization.
適當降低萃取操作溫度，可以明顯降低粗苯消耗，而不會(huì )影響其脫酚效率。
