它不仅保护了锌层本身，而且保护了钢基。
It has not only protected the zinc layer but also protected the steel base.
对用低价硫化铝的歧化反应进行钢基镀膜作了定性研究。
The filming on steel using the disproportionation reaction of sub-sulphide of Al was studied.
利用该工艺在钢基表面上得到了不同配比的锌镍以及锌铝镍合金镀层。
By using this new process, Zn-Ni and Zn-Al-Ni alloy coatings with different proportions on steel substrate are obtained.
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