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    <title>螺栓预选 on 贝格居笔记</title>
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      <title>螺栓预选（004）：支承面压强物理透视</title>
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      <description>从微观压溃到宏观预紧力丧失，用一根弹簧夹海绵的模型带你透视支承面压强校核的力学本质与工程对策。</description>
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      <title>螺栓预选（003）：极简预选表</title>
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      <description>无需计算，一张表搞定！根据轴向静载荷、动态载荷或横向剪切力，直接查出推荐的螺栓公称直径与最低强度等级，适合工程现场快速估算。</description>
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      <title>螺栓预选（002）：折减系数 κ 详解</title>
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      <title>螺栓预选（001）：从载荷到尺寸的快速破局</title>
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      <pubDate>Thu, 26 Mar 2026 20:58:00 +0100</pubDate>
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