2700| 6
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请教压杆支撑刚度和力如何计算 |
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点评
2/100 是叫细长比。截面直径和杆长比例 这是经验值。
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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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