1) stick load check valve
斗杆进油单向阀
2) swing/stick check valve
转盘/斗杆单向阀
3) load check valve
进油单向阀
4) stick/swing check valve group
斗杆/转盘单向阀组件
5) suction valve push rod
进油阀推杆
6) bowl carry-check valve
挖斗输送-单向阀
参考词条