1) bulldozer lift valve
推土机升降阀
2) bulldozer lift valve spool
推土机升降阀阀芯
3) bulldozer lift control valve
推土机升降控制阀
4) bulldozer lift relief valve
推土机升降安全阀
5) bulldozer lift valve section
推土机升降阀部分[截面]
6) dozer lift
推土机升降
参考词条