Home > Term: single opening
single opening
Any underground opening separated from a free surface by a distance greater than three times the size of the opening in the direction of the free face.
- Jenis Kata: noun
- Industri / Domain: Pertambangan
- Kategori: Peratmbangan secara umum; Mineral mining
- Government Agency: USBM
0
Penulis
- ed.young
-
(V.I.P) 21084 poin - 100% positive feedback
(Milwaukee, United States)
