1) front automatic elevation control valve passage
前自动提升控制阀通道
2) front automatic elevation control valve
前自动提升控制阀
3) lift control valve spool bypass
提升器控制阀柱塞旁通道
4) front leg elevation control valve
前支腿提升控制阀
5) ground level front leg elevation control valve
平地机前腿提升控制阀
6) boom raise control valve housing
动臂提升控制阀壳
参考词条