地下水开采 mining of groundwater ; Ground water mining
地下水开采量 amount of groundwater mining ; groundwater withdrawal
地下水开采动态 groundwater regime under exploitation
地下水开采量调查 investigation of groundwater withdrawals
水体下开采 Mining under water bodies
地下水可开采量 exploitable groundwater
地下水开采强度 explotable intensity of groundwater
地下水允许开采量 safe yield of groundwater
地下水设计开采量 designed groundwater withdrawal
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.
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