这样的集中式分布可以使水下开采效率大大提高。
Such concentrated deposits ought to make underwater mining highly efficient.
同时由于油井必须向更深的水下开采，适合于拖动和维护新型海上石油钻井的船舶也会有需求。
And as oil firms are forced to drill in ever deeper waters, ships suited to the task of towing and maintaining new RIGS will be needed.
斯科特辩解说水下开采将比陆地开采带来的环境破坏少得多：由于是直接在海底作业，因此将不会有大量的岩石废料。
Dr Scott argues that underwater mining will be far less disruptive to the environment than terrestrial mining: there will be no piles of waste rock, since the deposits are directly on the sea floor.
本文研究的1000米采矿船主要用于开采位于水下1000- 6000米的锰资源。
The 1000m mining dredger is mainly used to mining the Mn resources about 1000-6000m under the sea water.
浮游式缆控水下机器人(ROV)是钴结壳开采的四种行走方式之一。
And the Remotely Underwater Operated Vehicle (ROV) is one of the four kinds of walk mechanism for the cobalt-crust mining.
根据分析的结果评价了临界距离老空水下薄煤层联合开采的安全性。
Hereby the safety of the combined mining of thin seams under the close gob water was evaluated.
根据分析的结果评价了临界距离老空水下薄煤层联合开采的安全性。
Hereby the safety of the combined mining of thin seams under the close gob water was evaluated.
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