青娱乐国产av无码-成人av在线播放-呃啊嗯啊大鸡巴视频-国产精品三级黄色小视频

CN
Position: Home >> Application >> Sandblasting
Locomotives

2222-eb5db

 

Locomotives
After completes the manufacture and the overhaul, the locomotives must be painted the lacquer on the
surface (including prime coatings, under coatings, top coatings and so on), to improve the locomotive
outward appearance and the working life .Metal brasive materials’ selection is extremely essential
to the surface treatment, affects the coating’ anti-crack, penetration resistance and the inoxidizability
performance.

 

點擊這里給我發(fā)消息