镀硬铬是镀硬铬工艺。是在各种基体表面镀一层较厚的铬镀层，它的厚度一般在20μm以上，利用铬的特性提高零件的硬度、耐磨、耐温和耐蚀等性能。
misc. hard chromium plating ; durionise
提出了选择合适镀硬铬替代工艺的要求。
The requirements for selecting qualified alternative processes were presented.
通过盐酸浸蚀法实现了铝合金上直接镀硬铬。
The method of directly electroplating Cr on Al alloy by HCl immersion was studied.
所有传动轴、辊材质均为优质钢，高精度动平衡校正，镀硬铬、表面研磨。
All the tra mi ion axle and rollers are made of high-quality steel with high-precision dynamic balance, plated with rigid chrome and grinded surface.
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