1) bulldozer lift control group
推土机升降控制组件
2) bulldozer lift control linkage
推土机升降控制杆件
3) bulldozer lift control
推土机升降控制
4) dozer lift cylinder group
推土机升降油缸组件
5) bulldozer lift and tilt control linkage
推土机升降和倾斜控制杆件
6) bulldozer lift control valve
推土机升降控制阀
参考词条