欧洲美熟女乱又伦aa片,а√天堂资源地址中文在线,西西人体午夜视频无码,韩国三级伦色情在播放

d5cfde7a-e1cb-4fd7-9563-dbe27e2a6b33.jpg



Description:

Dual steel disc is relative wearing material of friction disc, which forms friction pair with friction disc.


Main Data:

1、Hardness:HRC 40~50

2、Surface roughness:Ra<0.16μm

3、Wave degree:0.2~0.4mm(wave dual steel disc)

Application:

Dual steel disc is used in special vehicle, heavy-load constructional machinery and transportation vehicle etc.


Technical Tel: +86-13816230777


Dual Steel Disc

Dual Steel Disc

在線咨詢