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.
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。
When the Rotary cutting Drum for mining Cobalt-rich Crust is working on the fluctuant microtopography of sea floor, it's necessary to determine the cutting depth according to the mining requirement.
用滚筒式采矿头在起伏不定的微地形上切削海底富钴结壳时,需按开采要求确定其切削厚度。
When the Rotary cutting Drum for mining Cobalt-rich Crust is working on the fluctuant microtopography of sea floor, it's necessary to determine the cutting depth according to the mining requirement.
用滚筒式采矿头在起伏不定的微地形上切削海底富钴结壳时,需按开采要求确定其切削厚度。
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