Parkerizing
帕克法磷化表面处理(将钢铁制件用磷酸锰铁水溶液热浸处理, 生成磷化膜), 金属防锈法
🗣️ 情景例句
and becoming part of the Stewart family, too.
而且成为Stewart家庭的一份子。
No one is a fool always, every one sometimes.
无人总是当傻瓜,人人有时当傻瓜。
This product is doing very well in foreign countries.
这种产品在国外很畅销。
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