珍珠黑 meaning in English

peal blackberry

Electrophoresis pearl black
电泳珍珠黑
It is reasonably designed and easily managed ; it can plate many kinds of membranes that multi - arc machine can not do , such as bnb - black , pearl black and different azotizing , oxidizing membranes with top - grade quality and combination , fit for the decorative and tools plating
二特点该设备结构合理，操作简单，可以镀制各种多弧镀膜机无法完成的膜层，枪黑珍珠黑及各种氮化氧化膜层，膜层细腻，结合力好，广泛用于装饰镀膜及工具镀膜。