1) boom cylinder rod end bearing
动臂油缸活塞杆端轴承
2) boom cylinder rod end
动臂油缸活塞杆端
3) boom cylinder rod
动臂油缸活塞杆
4) bucket cylinder rod end bearing
铲斗缸活塞杆端轴承
5) bulldozer cylinder rod bearing
推土机油缸活塞杆轴承
6) cylinder rod end
油缸活塞杆端
参考词条