It completely makes up for past PTFE difficult to seal and processing inconvenient, and yoke is casted into a model using structure to valve with better robustness and usability.
并且支架也是采用铸造成型结构，使得阀门具有更好的牢固性和使用性。
3
It completely makes up for past PTFE difficult to seal and processing inconvenient, and yoke is cast into a model using structure to make valve better robustness and usability.