• 建立了新型开铁口机电动机构力学模型,计算它的固有频率型。

    Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.

    youdao

  • 建立了新型开铁口机构力学模型,计算了它的固有频率主振

    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.

    youdao

  • 收银台附近,费雪玩具一样颜色鲜艳的个看起来不那么严肃电动工具:一个电池驱动的锯组合

    Stacked near the checkout counters, and as colorful as a Fisher-Price toy, it is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination.

    youdao

  • 结论电动鼻窦切割切除部分下鼻甲术后黏膜再生较黏膜纤毛清除系统基本恢复正常结构及生理功能。

    Conclusions: The nasal mucosa regenerates well after partial inferior turbinectomy with powered microdebrider, and the nasal mucociliary clearance system recovers to normal largely.

    youdao

  • 发明涉及一种手持式电动工具机1尤其是冲击机 或者

    The invention relates to a handheld electrical tool (1) in particular drill, rock drill or hammer drill.

    youdao

  • 发明涉及一种手持式电动工具机1尤其是冲击机 或者

    The invention relates to a handheld electrical tool (1) in particular drill, rock drill or hammer drill.

    youdao

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