The oil shale technology mining coefficient is the pivotal parameter when the oil shale resources are converted into the oil shale technique mining resources.

油页岩技术可采系数是将油页岩资源转化为油页岩技术可采资源的关键参数。

youdao

Alcoa is the world leader in the production and management of primary aluminum, fabricated aluminum, and alumina combined, through its active and growing participation in all major aspects of the industry: technology, mining, refining, smelting, fabricating, and recycling.

FORBES: Alcoa Can't Wait But You Should Before You Buy

The continuous mining method is an improvement on the block caving method of underground mining technology.

FORBES: Continuous Mining To Help Chile Extend Mine Life, Save Money

Without question, TIA represented a radical leap ahead in both data-mining technology and intelligence analysis.

CENTERFORSECURITYPOLICY: Balancing security and privacy during wartime