• 1. Taphole drill: 开铁口机
• 2. automatic taphole drill: 自动开口钻
• 3. air-operated taphole drill: 风动开口钻

• 1.Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.
  建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
  dict.yoduao.com
• 2.Pansteel Blast Furnace used simply electric taphole drill for a long time, which cannot apply to higher smelting intensity and the new clay gun.
  攀钢高炉炉前开铁口设备一直使用简易的电动开铁口机，已不适应高炉高强度冶炼和铁口新型炮泥的要求。
  dict.yoduao.com
• 3.Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established. The natural frequencies and mode shapes of the model are calculated.
  建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
  dict.yoduao.com

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