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m12×25是什么意思

2025-04-07 08:53:23

推荐回答（2个）

回答（1）：

你问的是：根据国标GB\/T5781-2000 M12，是指外螺纹M12.，螺纹长25mm。以此类推：M16也是指外螺纹M16，螺纹长45mm【以上都是毫米】

回答（2）：

根据国标GB\/T5781-2000 M12，是指外螺纹M12.，螺纹长25mm。以此类推：M16也是指外螺纹M16，螺纹长45mm【以上都是毫米】

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