1) cobble free un coiling
无废品开卷
2) Wasteless mining
无废开采
1.
This paper discussed the recent science and technology at the frontier for exploitation of underground metal resources: digital control of mining environment, wasteless mining, ocean mining and coping with threat of rockburst in deep mining, that are of great importance to the development of mining c.
文章对地下金属资源开发的数控采矿环境、实现无废开采、海洋采矿、应对深井开采的岩爆威胁等科技前沿做了初步探讨 ,阐明其对采矿学科发展的重要意
2.
Then a wasteless mining design for a large underground copper mine is discussed.
介绍了我国有色矿山实现无废开采的途径以及某一大型矿山的无废开采设计。
4) Non waste mining technology
无废料开采技术
5) wasteless mining design
无废开采设计
6) wasteless mining degree or level appraise
无废开采评价
补充资料：废品
①不合出厂规格的产品。②破的、旧的或失去原有使用价值的物品：～收购站。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条