Unverified82% confidenceFactTime unknown
碳钢材质普遍采用喷塑或烤漆表面处理防锈，划破涂层后露出金属会从破损点开始锈蚀，选购时注意焊点是否有涂层覆盖
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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