1) Valve GP-pressure reducing (boom,swing priority)
减压阀总成(动臂，回转优先)
2) pressure reducing valve assembly
减压阀总成
3) rotary valve complement
回转阀总成
4) priority reduction valve
优先控制减压阀
5) boom spool assembly
动臂滑阀总成
6) priority reducing valve spool
优先控制减压阀滑阀
参考词条