1) servo piston centering screw
伺服机构活塞对中螺钉
2) servo piston
伺服机构活塞
3) servo piston body
伺服机构活塞体
4) servo piston pin
伺服机构活塞销
5) servo piston ring
伺服机构活塞环
6) servo valve neutral adjustment screw
伺服机构阀中立位置调整螺钉
参考词条