Low temperature black phosphating solution was introduced in this paper, and the factor can influence the phosphating film were discussed.
介绍了一种低温黑色磷化液，并初步讨论了影响磷化膜质量的一些因素。
A new type phosphating solution of zinc series at low temperature was prepared.
研制了一种新型低温锌系磷化液。
A new type phosphating solution of zinc series at low temperature was prepared.
研制了一种新型低温锌系磷化液。
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