Adherent
发表于 2025-3-30 08:59:01
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容易生皱纹
发表于 2025-3-30 13:30:52
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香料
发表于 2025-3-30 16:56:15
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很是迷惑
发表于 2025-3-30 23:15:40
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肮脏
发表于 2025-3-31 03:59:10
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Fester
发表于 2025-3-31 08:19:03
Michael Räbersions. In this chapter, we shall limit our scope to long straight beams, and — for the moment-we will assume that the .-plane is a plane of symmetry of the beam and that the loading acts in this same plane; hence the bending deflections will take place in this plane as well.
恶意
发表于 2025-3-31 13:15:50
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Innocence
发表于 2025-3-31 13:20:50
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尖
发表于 2025-3-31 21:24:22
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COLON
发表于 2025-4-1 01:05:33
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