1) pneumatic selector valve
气力选择器阀
2) pneumatic selector control valve
气力选择器控制阀
3) selector valve
选择器阀
4) selector and pressure control valve
选择器和压力控制阀
5) selector pressure control valve
选择器压力控制阀
6) selector spool pressure passage
选择器滑阀压力通道
参考词条