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农业机械学41

农业机械学41

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⑴ ⑴⑴⑴⑴⑴⑴⑴ q 1 q 1 = f .L .Z . γ . α , t Z =πd ⑴ =πd Lγαf / t d C ⑴ ⑴⑴⑴⑴⑴⑴⑴ q 2 q 2 = π ⑴ d/2+C ⑴ 2 ⑴ π ⑴ d/2 ⑴ 2 [ ] L = πγL ⑴ d C +C 2 =πd LγC ⑴ C 2 ⑴⑴⑴⑴⑴ γ
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⑴⑴⑴⑴⑴⑴⑴ q = q 1 + q 2 q = πd Lγ ( C + αf / t ( (( / (( ⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴ L ⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴ ⑴⑴⑴⑴⑴⑴⑴⑴⑴ L min ≥ ( 1.5~2 (((((
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L min ≥ ( 1.5~2 ((((( ⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴ ⑴⑴⑴⑴ 1.5~2) ⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴
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4 ⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴ ⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴⑴
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