| 词汇 | goaf |
| 释义 | BETA Examples of goafgoaf isn’t in the Cambridge Dictionary yet. You can help! The volume of firedamp thus impounded necessarily increases pari passu with the magnitude of the goaf. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The face and brow were supported by props and bars closely set, and the roof at the goaf edge was further supported by chocks. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Pit props were progressively removed and the roof allowed to subside into the goaf a short distance behind the working face. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As the face was worked back along the headings waste material accumulated in the "goaf" or "gob" behind the face. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However on this occasion the firedamp leaking from the void above the goaf was ignited. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Behind the cut is spoil (known as goaf) and normally the roof is allowed to collapse upon the goaf as props are withdrawn. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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