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。

Electrochemical method was used to pretreat the nitrobenzene containing wastewater.

研究了电化学对硝基苯废水的预处理作用。

Pretreat stains if there are any, and wash with a gentle laundry soap meant for baby.

预处理污渍，如果有任何，洗一个温和的洗衣皂的意思为婴儿。