农业机械学87

农业机械学87

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滑滑滑滑滑滑滑滑滑滑滑 滑 滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑 P 滑滑滑滑滑 滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑 S 滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑 滑滑滑滑滑滑滑滑滑
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滑滑滑滑滑滑滑 S 滑 mm 滑 滑滑滑滑滑滑滑滑滑滑滑滑滑 P 滑 g 滑 600 1.5 500 2.0 400 5 200 40 滑滑滑滑滑
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滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑 滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑 滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑 P 3 S = 常常 ———— 滑滑滑滑滑滑滑滑
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滑 滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑滑
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This note was uploaded on 01/31/2012 for the course AGRICULTUR agricultur taught by Professor Tinglina during the Summer '07 term at Nanjing University.

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农业机械学87

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