Engineering, 16.10.2021 23:10 dianaaivanov
Một mẫu thử có đường kính d=20mm, chiều dài thử l0=200mm chịu một lực kéo P= 45MN Độ dãn dài đàn hồi đó được l=200,017mm. hãy tính môđun đàn hồi khi kéo E
Answers: 1
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Một mẫu thử có đường kính d=20mm, chiều dài thử l0=200mm chịu một lực kéo P= 45MN Độ dãn dài đàn hồi...
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