Chap2_exercise

Chap2_exercise - 5-1 5-3 5-4 5-5 4 D*S=87.5*92mm, 8.1 5-16...

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第第第 第第第第第第第第第 5-1 第第第第第第第第第第第第第第第第第第第第第第第第第第第第第第第第 5-3 第第第第第第第第第第第第第第第第第第第第 5-4 第第第第第第第第第第第第第第第第第第 5-5 第第 4 第第第第第第第第 D*S=87.5*92mm, 第第第 8.1 第第第第第第第第第第第第第第第第第
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