so the yield of hard chromium plating and the lifetime of plating pieces are increased.
从而,大大地提高了镀硬铬工艺的合格率以及镀件的使用寿命。
because of hard chromium plating with cylinder block of mini aero-engine, the hard machining of process of grinding is a key which affects its performance.
某小型航空发动机气缸体由于缸孔采用硬铬镀层,使其内孔磨削成为制约该型号发动机性能的关键工艺。
according to the special requirements of hard chromium plating for some products, the methods of increasing deposit adhesion are obtained through a series of experiments.
根据某些产品对镀硬铬的特殊要求,经过一系列的试验,摸索出了一些有效地提高铬层附着力的方法。
no matter or plating chromium plating light hard chromium plating quality is higher, with light, wear-resisting, stability and other advantages, so has been widely used.