Worm gears are adopted for driving rotational motion along azimuth Angle and power screws are used for raising zenith Angle.
蜗轮与蜗杆被用来驱动方位角的转轴，仰角的转动则使用螺杆。
Worm gears are adopted for driving rotational motion along azimuth Angle and power screws are used for raising zenith Angle.
蜗轮与蜗杆被用来驱动方位角的转轴，仰角的转动则使用螺杆。
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