5523| 15
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有人仔細想過游標(biāo)卡尺讀數(shù)原理么? |
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點評
知乎現(xiàn)在不行了,應(yīng)該說早幾年就不行了。
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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