1) stick crossover control valve
斗杆转换控制阀
2) stick crossover valve
斗杆转换阀
3) stick control valve
斗杆控制阀
4) stick crossover valve housing
斗杆转换阀壳
5) stick crossover valve spool
斗杆转换阀柱塞
6) backhoe stick control valve
反铲斗杆控制阀
参考词条