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A kind of easy measuring tool for big gear is introduced.
介绍一种测量大齿轮的简易工具。
youdao
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The primary tool for measuring accurate work in the workshop.
工作室中用来完成精确测量的基本工具。
youdao
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The primary tool for measuring accurate work in the workshop.
工作室中用来完成精确测量的基本工具。
youdao