홈 > Term: hole system
hole system
A system of contract work underground by which the pointing of the holes and blasting are done by company personnel and the rest of the work by the miners.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
0
작성자
- ed.young
-
(V.I.P) 21084 포인트 - 100% positive feedback
(Milwaukee, United States)
