1) head end line relief valve
油缸头部油管安全阀
2) head end lift relief valve
油缸头部提升安全阀
3) head end tilt relief valve
油缸头部倾斜安全阀
4) cylinder relief valve
油缸安全阀
5) head end line
油缸头部油管
6) head end check valve
油缸头部单向阀
参考词条