1) steering cylinder relief valve
转向油缸安全阀
2) steer cylinder auxiliary relief valve
转向油缸辅助安全阀
3) swing cylinder relief valve
转盘油缸安全阀
4) cylinder relief valve
油缸安全阀
5) boom cylinder relief valve
动臂油缸安全阀
6) cylinder pressure relief valve
油缸压力安全阀
参考词条