按此工艺制得的黑色钼酸盐转化膜表面光滑，光泽性好，与基体结合牢固。
The black molybdate conversion film obtained with the above technics has smooth and glossy surface and good adhesion to the substrate.
通过控制一定的电位差即可得到相应颜色的转化膜，提高了化学着色法工艺的色彩重现性。
The correlative colored films can be obtained by controlling the correlative potential differences, which improved the colour recurring of chemical colouring processes successfully.
延长烘烤时间，草酸盐转化膜的耐候性提高。
Prolong bake time can improve weatherproofing of oxalate coating.
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