Objective To analyse the closingmechanism of ideal aortic valve model.
目的分析理想状态下主动脉瓣关闭机制。
2
The motion of the gripper opening and closingmechanism takes an important play on the working process of the paper transferring mechanism.
开闭牙机构的运动对递纸机构的工作过程有重要影响。
3
It can not only carry out circulation packing, but also realize squeeze packing, and secondary packing can be done by opening the closingmechanism in demand.