2) valuable mineral
有用矿物
1.
It is discussed preliminary that recovering valuable minerals from the precipitate of smelter wastewater to develop and utilize the discard and save resource.
为了节约资源,开发利用废渣,对从冶炼废水沉淀物中回收有用矿物进行了初步探讨。
3) useful minerals
有用矿物
1.
Study on extraction of valuable elements, exploitation of beneficial components and utilization of useful minerals for the mineral resources
矿物资源有价元素提取有益组分与有用矿物利用
4) valuable heavy minerals
有用重矿物
5) ore mineral,utility
有用矿物<冶>
6) Comprehensive recovery of valuable minerals
有用矿物综合回收
补充资料：有用
1.有功用;有用处。
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