1) Stick & bearing as
斗杆和轴套组件
2) Boom & bearing as
动臂和轴套组件
3) Link & bearing as
连杆和轴承组件
4) pivot bar group
枢轴杆组件
5) bucket linkage group
铲斗连动杆件组
6) stick cylinder group
斗杆油缸组件
参考词条