1) bucket load relief valve
铲斗负载安全阀
2) bucket load check valve
铲斗负载单向阀
3) bucket cylinder relief valve
铲斗缸安全阀
4) bucket line relief valve
铲斗管路安全阀
5) bucket rod end relief valve
铲斗杆端安全阀
6) bucket load
铲斗负载
参考词条