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多大螺紋孔預留多大螺紋底孔,在機械設計手冊那一部分內(nèi)容可以找到?? |
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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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