Unverified90% confidenceDecision RuleTime unknown
多楔带/PK带的规格标识应读取带体印字,格式如'6PK1200'表示6条楔、有效周长1200mm,选购时必须6条楔数和长度双匹配,仅按外观相似判断易导致打滑或过紧
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