Unverified72% confidenceFactTime unknown
铝合金管壁厚度是承重关键，管径相同时壁厚1.5mm以上才能稳定承重，薄壁（<1mm）铝管虽轻但满载易变形晃动
1
Sources
72%
Confidence
Long-term
Relevance
-
First Seen
Sources
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