[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

购买前必须实测安装位置的净宽,选择伸缩范围让实际需求落在杆子中段(即最短长度与最长长度之间约1/3至2/3处),避免完全拉到最长——拉满时管壁重叠最少、承重和稳定性会骤降30%以上

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Long-term
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