[KongchangAI]
Unverified85% confidenceFactTime unknown

折叠屏风靠铰链自立成'之字形'才稳定,若强行展开成一条直线极易倒;因此实际遮挡宽度约为展开总宽的80-85%,选购时需按此折算有效遮挡面

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85%
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Long-term
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