英语语法分析

Here, how do you pretreat the steel plates?

在这里，你们怎样对钢板进行预处理？

Accelerated solvent extraction is a novel technique to pretreat samples.

加速溶剂萃取是一项新颖的样品前处理技术。

Cellulase was applied to pretreat cotton yarn-dyed fabric in super soft finish.

采用纤维素酶在纯棉色织物柔软整理前进行预处理。