座支架 meaning in Chinese

seat support

Bracket assy . , spring seat
弹簧座支架
In model - a and model - b valves the seat - carrier will also be pushed out by the ball
型号a和型号b阀门的阀座支架也将随球体推出。
Model - c design , with an energizer o - ring beneath the seat - carrier , enables the valve to automatically adjust for seat wear
型号c结构，在阀座支架下配置增能器o形环，使得阀门能够根据阀座磨损状况自动进行调整。