Through comparing the two means of water mine stealth, covering coat on the shell and changing the shape, it is found that the latter one is the best choice.

通过对水雷声隐身的两种手段：壳体上涂涂层和改变外形进行比较，发现隐身的关键在于外形设计。

youdao

For the past 10 years, the REMUS 100 has been one of the most reliable UUVs on the market, making it an easy choice for the Navy to use in shallow water mine counter measure operations.

过去10年中，REMUS 100一直是市面上性能最为稳定的无人水下航行器之一，为海军实施浅海矿产探测行动提动了方便。

youdao

The engine is used for pumping water out of the mine.

这台发动机是用来从矿井中抽水的。

《牛津词典》

So today,before the new research can begin, water must be removed from the mine.

VOA: special.2009.07.21

While not all mine water is chemically suitable for fracking and a mine discharge has to be close enough to a well pad to make transport via truck or pipeline economical experts believe Pennsylvania has more than enough polluted mine water to meet the needs of the drilling industry.

WSJ: Pa. pushes drillers to frack with coal mine water

Contaminated water has been abstracted and treated from the mine since 1992 following an drainage burst which caused visible pollution from mine water coloured orange by the high iron content.

BBC: An archive picture of Wheal Jane

They are encouraging drillers to use tainted coal mine water to hydraulically fracture gas wells in the Marcellus Shale formation, with the twin goals of diverting pollution from streams and rivers that now run orange with mine drainage and reducing the drillers' reliance on fresh sources of water.

WSJ: Pa. pushes drillers to frack with coal mine water