1) bucket control valve component
铲斗控制阀部件
2) bucket control valve
铲斗控制阀
3) bucket control valve spool
铲斗控制阀滑阀
4) stick control valve control section
斗杆控制阀控制部分[件]
5) backhoe bucket control valve
反铲斗控制阀
6) backhoe stick control valve
反铲斗杆控制阀
参考词条