四种幕布材料哪种好?白塑幕和灰幕哪种效果好?
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![四种幕布材料哪种好?白塑幕和灰幕哪种效果好?](/uploads/image/z/10695530-2-0.jpg?t=%E5%9B%9B%E7%A7%8D%E5%B9%95%E5%B8%83%E6%9D%90%E6%96%99%E5%93%AA%E7%A7%8D%E5%A5%BD%3F%E7%99%BD%E5%A1%91%E5%B9%95%E5%92%8C%E7%81%B0%E5%B9%95%E5%93%AA%E7%A7%8D%E6%95%88%E6%9E%9C%E5%A5%BD%3F)
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