[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

天幕主杆直径≥28mm(铝合金)才能稳定支撑大型天幕,直径25mm及以下仅适合3×3m以下小型天幕或作为副杆使用

1
Sources
88%
Confidence
Long-term
Relevance
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