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机械制造专业英语Lesson1.pdf

发布：2023-01-07约2.1万字共16页下载文档

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LESSION 1 STRESS AND STRAIN The fundamental concepts of stress and strain can be illustrated by considering a prismatic bar that is loaded by axial forces F at the ends, as shown in Fig.1-1. A prismatic bar is a straight structural member having constan

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