Unverified85% confidenceFactTime unknown
PVC背景板常见厚度0.3-0.5mm为软卷材（可弯曲收纳成筒状），2-5mm为硬板（需平放或立架）；软卷材便携但需搭配背景架撑平，硬板可自立但运输易折损
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85%
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Long-term
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