1) bulldozer lift relief valve

推土机升降安全阀
2) bulldozer lift valve

推土机升降阀
3) bulldozer lift valve spool

推土机升降阀阀芯
4) bulldozer relief valve

推土机安全阀
5) bulldozer lift control valve

推土机升降控制阀
6) bulldozer lift valve section

推土机升降阀部分[截面]
参考词条