mining under sea的意思|示意

It was the first time that full-mechanized caving mining was used under sea in the history of coal mining under sea in the world.

海域下煤层采用综放开采在世界海域煤炭开采史上还是首次。

The 1000m mining dredger is mainly used to mining the Mn resources about 1000-6000m under the sea water.

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。

At the same time, we need to collect the actual signal of mining ship under the complex sea status as the simulate signal to test the robust and self-adaptive ability of the control method.

同时，需要采集采矿船的在复杂海况下的实测信号作为模拟海况信号验证控制算法的鲁棒性和自适应能力。

Under the mining activities, the flowing water pressure and other factors, those potential water flowing channels would be the main accesses to cause the sea water rushing into the mine.

这些潜在的导水通道在采矿活动及动水压力等因素作用下，成为诱发海水溃入的主要途径。

Xinli mining area of Sanshandao gold deposit is the first hard rock mine which belongs to the under-sea deposit in our country, and only Longkou is mining coal under sea in domestic.

三山岛金矿新立矿区是我国第一个进行海底采矿的硬岩矿山，国内仅龙口在海下采煤。

The analysis results were used in the practical engineering, providing a technical support to an efficient safety under-sea mining in Xinli mineral zone of Sanshandao Gold mine.

将分析结果应用于工程实际，为三山岛金矿新立矿区海底安全高效开采矿石资源提供了技术保障。