英语语法分析

The osmotic gas beneficiation on another surface of films and diffusion in the air.

渗透气体在膜的另一表面上富集，并向空气扩散。

It is necessary to conduct separation analysis prior to beneficiation of quartz sand.

可选性分析是石英砂选矿前需要进行的必要手段。

Chemical beneficiation is an effective method for treating refractory phosphate ores.

化学选矿是处理难选磷矿石的有效方法。