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大家好,!在鋼板上開孔時,孔的圓心到板材邊緣的距離,,一般如何取值,? |
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點評
還真有標準啊,,我都是蒙著來,。
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小黑屋|手機版|Archiver|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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