Unverified80% confidenceDecision RuleTime unknown
服装用按扣主体应选黄铜底材(延展性好、铆合不裂),铝合金按扣仅适合装饰性或轻负荷场景,重复开合数千次后铝件易变形失效
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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