推土机油缸耳轴轴承
bulldozer cylinder trunnion bearing
动臂油缸油管组
boom cylinder lines group
动臂油缸油路压力
boom cylinder circuit pressure
平地铲油缸油密性试验
levelling blade cylinder leakage test
平衡重油缸轴承
counterweight cylinder bearing
倾斜油缸耳架
tilt cylinder bracket ear
悬挂油缸轴承
suspension cylinder bearing
旋转油缸轴承
rotation cylinder bearing