[KongchangAI]
Unverified85% confidenceSolutionTime unknown

备用锁芯选购标准路径:①测量原锁芯前后长度和面板孔距 ②确认锁体开孔标准(欧标/美标/国标大68) ③按门厚选对应等级C级锁芯 ④核对钥匙数量及授权复制方式 ⑤官方验证防伪

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