[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

免打孔伸缩杆的承重通常≤3kg,仅适合PEVA轻质帘布;涤纶+加厚防水帘湿水后重量增加,需选打孔固定式或带支撑架的伸缩杆

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