The fleece device includes cam controlspring back frame structure.
起绒装置具有对经线起绒的凸轮控制回弹架结构；
2
The system is applied in spring sorting machine successfully, which can controlspring sorting wel1.
该系统在弹簧分选设备上得到了成功应用，能实现对弹簧分选过程的平稳控制。
3
At a pace that no urban planner can control, slums spring up in disaster-prone areas-such as steep slopes, which are prone to floods, mudslides or particularly severe damage in an earthquake.