The hardness and wear resistance of the auto-brush electroplated coating are have average value near those of the manual-brush electroplated coating.
镀层硬度和耐磨性能等与手动纳米刷镀层性能相近，但是，其性能分布更均匀。
It is difficult to gain homogeneous coating when precision small holes are electroplated chrome, which affects the dimensional precision and the form precision of the product.
精密小孔在镀硬铬时，很难获得均匀的镀层，直接影响产品的尺寸精度和形位精度。
The methods for the recycle of silver from discarded silver electroplated wares were investigated, and the processes for the recycle and utilization of the silver coating were established.
通过试验，找到了不合格镀银件镀层的回收方法，确定了银镀层的回收和利用工艺。
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