deficiency 发表于 2025-3-26 21:04:35
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Shearing Forces and Bending Moments,h members were subjected to direct forces acting along their longitudinal axes and increased or decreased in length according to the sense of those forces. In practice however, the majority of structures are not pin jointed and often loads are applied at points other than the joints between members.不断的变动 发表于 2025-3-27 16:22:27
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http://reply.papertrans.cn/88/8800/879986/879986_39.png粗鲁性质 发表于 2025-3-28 13:34:39
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