A structural improvement is implemented on the base of an original ballscrewpair and a rolling cone screw pair.
它在原滚珠丝杆副，滚锥丝杆副的基础上进行了结构改进。
2
Applying the microcontroller and the ballscrewpair, a transient throttle control system for engine research is developed.
应用单片机和滚珠丝杠副，研制了发动机瞬态工况试验研究用的油门瞬态控制器。
3
The utility model relates to an elastic airproof ring with high speed ball bearing leading screwpair opening, which is composed of an opening, an airproof ring body, a groove and a spring.