seating valve的意思|示意
座阀
seating valve相关短语
1、 return seating valve 复位型阀
2、 seating directional valve 座式换向阀
3、 valve seating tool 气门座研磨机
4、 return seating type valve 复位型阀
5、 Iron Valve Seating Material 铸铁阀门的阀座材料
6、 valve seating 磨阀
7、 ball valve seating 球阀阀座
8、 valve-seating velocity 气门回位速度
9、 valve seating mechanism 阀座机构