[KongchangAI]
Unverified75% confidenceFactTime unknown

空心焊接的所谓'不锈钢'管在焊点缝隙处最易先锈,选一体成型或注明加厚壁厚(≥0.8mm)的款式防锈更可靠

1
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75%
Confidence
Long-term
Relevance
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