Unverified50% confidenceDecision RuleTime unknown
手链周长应比手腕实际尺寸大1.5-2cm，佩戴时能塞进一根手指为宜；硬质手镯则需测量掌骨最宽处塞入尺寸（内径通常为掌围最宽处除以3.14再减2mm）
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