针叶类的树
发表于 2025-3-27 00:55:39
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没有希望
发表于 2025-3-27 02:53:32
Experimental and Numerical Investigations of Friction Stir Welding of Aluminum to Copper,tir welding (FSW) process are presented and discussed in conjunction with finite element results. A sound weld joint between these dissimilar materials has been achieved only when the pin tool was offset a certain distance from the center of the weld line and the harder material (copper) was placed
Mettle
发表于 2025-3-27 09:06:18
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性行为放纵者
发表于 2025-3-27 09:54:06
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胆小懦夫
发表于 2025-3-27 17:12:56
The Preheating Temperature Effects on the Residual Stresses of the Welded Rails Sections,resses that may, eventually, be responsible of the potential damaging process. These residual stresses depend highly of the preheating temperature. Failure of an efficient application of this preheating temperature is often pinpointed with the occurrence of significant internal defects and sometimes
Nomadic
发表于 2025-3-27 18:39:10
Dynamic Analysis of Fiber Reinforced Composite Beam Containing a Transverse Crack,-Bernoulli beam theory. The presence of a crack in structural elements leads to an energy concentration near to crack’s region and introduce a local flexibility which affect its dynamic response. Linear fracture mechanic theory has been used for crack modeling by using the stress intensity factors e
相容
发表于 2025-3-27 22:12:35
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Allodynia
发表于 2025-3-28 02:42:45
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机构
发表于 2025-3-28 10:05:23
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招募
发表于 2025-3-28 12:34:11
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