运用正交试验分别对稀土铈盐和镧盐钝化进行试验，得出该两种稀土盐钝化镀锌钢板的最优参数和工艺条件。
The optimal processing parameters and conditions of passivation films on galvanized steel sheet treated with rare-earth cerium and lanthanum salts were obtained by orthogonal experimental method.
运用正交试验分别对稀土铈盐和镧盐钝化进行试验，得出该两种稀土盐钝化镀锌钢板的最优参数和工艺条件。
The optimal processing parameters and conditions of passivation films on galvanized steel sheet treated with rare-earth cerium and lanthanum salts were obtained by orthogonal experimental method.
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