Unverified78% confidenceFactTime unknown
管材直径与壁厚共同决定抗弯：φ25mm×0.8mm钢管的抗弯性远优于φ32mm×0.5mm薄壁管，选购看壁厚比看直径更可靠
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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