The new disc consists of two stainlesssteel pieces that articulate against each another with a ball and trough design.
这种新椎间盘由两块不锈钢组成，相互之间有关节通过一种球体和槽体的设计对抗。
2
Machined brass construction, chrome nickel plated body, EPR rubber check disc assemblies and Buna 'n' seals, stainlesssteel springs and pressure plates are standard.
标准配置为机加工黄铜结构，镀铬镍阀体，乙丙橡胶止回阀瓣总成和丁钠橡胶密封，不锈钢弹簧和压力板。
3
The product structure gradually perfect: ultra-thin cutting piece, stainlesssteel mill slice, stone grinding slice, big slice, Angle abrasive disc quality obtained the customer common affirmation.