Special extra width, monel seat ring allows for wear without loss of seal.

特别超宽蒙乃尔密封环，经得起磨损而不会丧失密封性能。

youdao

Special extra width, monel seat ring allows for wear without loss of seal.

特别超宽蒙乃尔密封环，经得起磨损而不会丧失密封性能。

youdao