Air lift is one of the most prospective lift methods in deep sea polymetallicnodulemining.
气力提升是大洋锰结核开采的主要扬矿方法之一。
2
This paper is of important literature value and practical importance to the ocean polymetallicnodulemining in China's mine area.
文章对中国大洋多金属结核矿产资源的开发，有着重要的文献价值和实用意义。
3
In some foreign countries, it is more than 20 years since the study on technology for deepsea polymetallicnodulemining has been conducted, and many results have been achieved in this field.