Unverified88% confidenceDecision RuleTime unknown
隐藏铆钉（裤裆内侧铆钉被布料覆盖）是60s及更早年份的工艺特征，若裤裆铆钉完全外露则年代通常偏晚，需结合其他细节综合判断。
1
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88%
Confidence
Long-term
Relevance
-
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