Unverified80% confidenceDecision RuleTime unknown
焊接连接处是生锈重灾区，选一体成型（无焊点）或注塑包边的产品比点焊工艺更耐用；判断方法看架体拐角是否有焊接凸点
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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