金属波齿垫和金属齿形垫的区别? 关于低泄漏盘根的介绍 excellent sealing patented "cup & cone" design permits selective component compression and controlled radial flow for effective sealing on i.d. and o.d. end rings act as wiper rings to restrict graphite particle transfer, prevent extrusion and provide extra resiliency 不用给大家全部翻译。只说第一条,专利的“杯锥”设计结构。查看更多