Design of large diameter drill pipe loading and unloading device for coal mine tunnel drilling rig
According to the characteristics of large-diameter drill pipe, such as large volume, heavy weight and large quantity used in the drilling process, a large-diameter drill pipe loading and unloading device for coal mine tunnel drilling rig was developed. The paper introduces the scheme formulation of...
שמור ב:
| מחבר ראשי: | |
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| פורמט: | Artigo |
| שפה: | Chinês |
| יצא לאור: |
Editorial Office of Safety in Coal Mines
2022-05-01
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| סדרה: | Meikuang Anquan |
| נושאים: | |
| גישה מקוונת: | https://www.mkaqzz.com/cn/article/id/7952 |
| תגים: |
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