Unverified78% confidenceDecision RuleTime unknown
钢管壁厚是稳定性核心指标：主承重管壁厚≥1.5mm、管径≥38mm的机型抖动明显更小，标称承重相同但壁厚1.0mm的机型晃动风险高
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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