酸洗

It also suggests some ways to improve the techniques of acid cleaning, bonderizing, annealing and deformation.

并提出了改进酸、磷化、退火及变形工艺方法。

There is little study on the selection of liquid of pre - filming after the acid wash by hydroxy ethidine phosphonic acid (HEDP).

羟基乙叉二膦酸酸后预选择较少有人研究,而适当预钝化是防止酸后金属表面返锈必要施。

A combined acid cleaning technique of alkaline and acid cleaning with oxidizability was developed in the proress of trial-produrtion of armour-piercing shell body.

介绍穿甲弹体氧化性碱与氧化性酸相结合酸新工艺。

BlueStar cleaning technology uses BlueStar series of cleaning agent eliminate the dirt and cover on the object surface by the technique of degrease, derust and passivation.

蓝星化学术是利用蓝星系列剂通过脱脂、酸除锈、钝化等工艺去除被物体表面污物或覆盖层。