Between each pair of staggered horizontal circular steel plains, the curving, conical projection screens are installed.
在每两个摇摆的水平圆形钢平面之间，安装着曲面的圆锥形投影屏幕。
Between each pair of staggered horizontal circular steel plains, the curving, conical projection screens are installed.
在每两个摇摆的水平圆形钢平面之间，安装着曲面的圆锥形投影屏幕。
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