2100| 2
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42CrMo的A值,B值 |
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42CrMo的許用扭轉(zhuǎn)切應(yīng)力和許用扭轉(zhuǎn)角
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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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