oxygen burning process造句

例句与造句

1. Coalpit _ desc ; charcoal was created from wood in a low oxygen burning process . the coal was acceptable but the process was very time consuming and consumed a lot of wood
   木炭是由木材在缺氧条件下燃烧制得，很好用，但是烧炭很费时，也会消耗大量木材。
2. It's difficult to find oxygen burning process in a sentence. 用oxygen burning process造句挺难的