辅助附件底盘液压系统
auxiliary attachment carriage hydraulics
插件和内部部件
Port plugs and vacuum vessel components
配件b.部件c.组件d.附件e.备件
FittingsPartsComponentsAccessoriesSpare Parts
软件部件构造技术
software parts construction technoloyg
白垩系底部
bottom of Cretaceous formation
摆动斜底从动件盘状凸轮机构
disk typed cam mechanism with swinging oblique bot
disk typed cam mechanism with swinging oblique bottomed follower