normal drum 中文意思是什麼

normal drum 解釋
標準滾筒
  • normal : adj 1 正常的，平常的，普通的；平均的。2 正規的，標準的，額定的，規定的。3 智力正常的，精神健全的...
  • drum : n 1 鼓。2 鼓聲，擊鼓般的聲音；麻?的叫聲；〈古語〉鼓手。3 鼓狀物；圓桶，汽油桶；【機械工程】滾筒，...
  1. Through developing the comprehensive experiment device with large - scale drum strength and stability, the stress - measuring experiments of various wall thickness of the normal drums of the cranes were performed. the law that the stress of the drums along the circumference and along the axis changes with the load increase of the wire ropes was studies for the first time

    通過研製全比尺大型捲筒強度、穩定性綜合試驗裝置，對起重機常用規格的捲筒進行了各種壁厚條件下的應力測量試驗，首次對捲筒體周向和軸向應力隨鋼絲繩逐步加載過程變化的規律進行了研究，發現最大應力產生在鋼絲繩繞過后3 ~ 5圈截面處，該現象與理論分析結果也是符合的。
  2. Finally, with the research results, the author analyzes the two tv tower drums : the normal concrete tower and the presrtressed concrete tower. at the same time, the calculation reliability of prestressed concrete tower drum and dropping - coefficient of stiffness established in this paper has been proved

    最後，利用本論文的研究成果，對普通混凝土電視塔和預應力電視塔進行實例分析，驗證了本文建立的塔筒計算公式和剛度降低系數計算公式的可靠性。
  3. Secondly, according to the change of calculation formula when prestress were added to the chapter of concrete tower drum, the paper has given the calculation formulas of prestressed concrete tower drum in limited states of carrying capacity and normal serviceability

    其次，針對高聳規范混凝土塔筒一章中增加預應力后，塔筒計算公式發生的變化，本文對預應力混凝土塔筒在承載能力極限狀態和正常使用極限狀態下的計算公式進行推導。
  4. New style dust - seperation equipment, decrease ash content more stable product quality compared with normal drum

    與傳統老式轉鼓方式而言產品質量更加穩定，更容易控制
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