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1530| 4
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请问一下华东地区有没有可以检测齿轮尺寸的实验室 |
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点评
看清楚指标在发言啊!Fid和fid两个指标啥时候跟周节误差扯上关系啦!
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|小黑屋|手机版|Archiver|齿轮论坛 www.gearbbs.com
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