2396| 4
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空心管,带特征,出弯矩图,请教 |
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点评
参考《压力容器开排孔时焊缝系数和排孔削弱系数的应用》文章。
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小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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