8307| 3
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急??!Q235B 的抗剪強(qiáng)度 |
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點(diǎn)評(píng)
塑性材料,這里安全因數(shù)可取1.2~1.5
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Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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