吊杆架可绕自身轴线回转，手摇起重机绳筒上缠绕的钢丝绳通过吊杆架带动吊具。
The suspension can turn winding it's axle line, the wire rope winding on the rope roller drive the suspension tools by the suspension shaft.
这样通过绕两个方向轴线的回转调整，可达到保持电池板面与太阳光矢量垂直的目的。
As the rotary adjustment surround axes in two directions, the aim of keeping the panel surface being vertical to the sunlight vector is achieved.
中心轴的旋转由一个液压马达驱动，可以实现绕铅垂中心轴线的回转。
The grapple can also rotate around the central vertical axis as a hydraulic motor is employed to drive the c…
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