于四角
At four corners
以上为机器翻译结果,长、整句建议使用 人工翻译 。
如图所示,将吊索配套组件装至平板灯四角,将灯吊装于原天花板位置。
As the picture show, install the attached suspension line on the four corners of the light, and then put the light into the place which is original for the ceiling.
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