1) servo valve signal port
伺服机构阀信号孔口
2) servo port
伺服机构孔口
3) servovalve
伺服机构阀
4) servo valve spool
伺服机构阀滑阀
5) servo control valve
伺服机构控制阀
6) servo piston valve
伺服机构柱塞阀
参考词条