They are developing a new turningmechanism for the device.
他们正在研制这一设备的新的旋转装置。
2
To avoid any harm to hands by a sudden close of the upper cover, a fall down damping device is added to the turningmechanism, force the upper cover close slowly.
使上盖可以缓慢下落，从而可以避免上盖猛烈下落时对人手的伤害；
3
He was idly turning a crank on a strange mechanism strapped to his chest.