홈 > Term: yielding floor
yielding floor
A soft floor that heaves and flows into open spaces when subjected to heavy pressure from packs or pillars.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
0
작성자
- ed.young
- 100% positive feedback
(Milwaukee, United States)