[KongchangAI]
Unverified80% confidenceFactTime unknown

罗马帘平整度依赖『穿杆结构』:优质款每道折叠处内置铝合金撑杆(非塑料),保证长期不下垂变形;只在底部有一根加重杆、中间靠布带牵拉的低端款用久后会起波浪褶皱

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80%
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Long-term
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