The conversion-per-pass is generally low, thus necessitating gas recycle to increase overall product yield.

其单程转化率一般是低的，因此有必要使气体循环以提高总的产品收率。

youdao

The conversion-per-pass is generally low, thus necessitating gas recycle to increase overall product yield.

其单程转化率一般是低的，因此有必要使气体循环以提高总的产品收率。

youdao