6199| 14
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氣缸推出力怎么計算的 . |
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點評
不應(yīng)該是0.4X3.14X8X8嗎
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點評
高中畢業(yè)就該會,跟機械專業(yè)沒關(guān)系
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點評
考慮到氣缸自身摩擦和活塞重量等
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