...具，能把一个磁铁陀螺稳稳地浮在半空， 时候达几分钟之久，直到陀螺因空气阻力逐渐减慢转速而跌落．一位叫罗德·专诺(Rod Driver)的传授闻讯当即买了一台，并在仿单的指导下花了两个多小时把握了磁悬的技巧．但他也是以发生了强烈的好奇心，他感觉本身在仿单的...
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Three kinds of hinge rod typed force amplification mechanism, which takes pneumatic muscle as the driver, were introduced, and the corresponding calculation formulae of force output were given out.
介绍了三种以气动肌腱为驱动的铰杆式增力机构，并给出了相应的输出力计算公式。
When the driver bit of the screw rod needs to be replaced, as long as the clip ring is gently pulled downward. The screw rod is turned and the clip ring is released.
需要更换螺丝杆刀头时，只要轻轻向后拉动卡环，调转螺丝杆再放开卡环即可。
The third technical measure is that the rod part of the screw driver is provided with an elastic holding apparatus.
第三项是在改锥杆部设置能夹持螺钉头的弹性夹持装置。
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