大概意思：比12方长，比13方短，12方距离13方是25,150比12方长6，所以150根12+6/25

来源: 久经沙场的枪于 2024-12-21 14:14:52 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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