一角硬币边缘共有118个齿纹。

A dime has 118 ridges around the edge.

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这个代码内含钥匙类型和包含其形状、切割等细节的齿纹代码信息。

This code reveals the type of key, as well as its 'biting' code, which gives details about the shape and cut of the key.

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放大后的检验，可见一系列平行的齿纹，有可能来自管钳，会其他靠钳齿来抓牢工件并旋转的钳子。

A closer inspection of the tool mark shows a series of parallel teeth marks, probably from the use of a plumber's wrench or tongue-and-groove pliers.

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