1) swing/stick check valve
转盘/斗杆单向阀
2) stick/swing check valve group
斗杆/转盘单向阀组件
3) stick load check valve
斗杆进油单向阀
4) swing check valve
转盘单向阀
5) circle drive check valve
转盘传动单向阀
6) swing motor check valve
转盘马达单向阀
参考词条