1) bucket control valve
铲斗控制阀
2) bucket control valve spool
铲斗控制阀滑阀
3) backhoe bucket control valve
反铲斗控制阀
4) backhoe stick control valve
反铲斗杆控制阀
5) bucket control valve component
铲斗控制阀部件
6) bucket main control valve
铲斗主控制阀
参考词条