这机器人的手，是由压缩空气来控制的，握力的变化不是依靠另外的马达，类似于人的手依靠有弹性的韧带来带动手指的伸屈。
The robotic hand is controlled by compressed air, varying the strength of its grip without the use of other motors, in the same way human grip relies on elastic ligaments to help the fingers curl.
控制系统发出脉冲指令驱动三坐标机械手，带动注射枪完成定位加注。
The control system sends out impulse dictates to drive three-coordinate manipulator with injection-gun to finish the accurate position orientation.
大家看到举在空中的手，气氛就慢慢地被带动起来了。
People see the hands in the air, and the atmosphere gets warmed up gradually.
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