offshore mining

• 海底开采,水下开采,海底采矿

offshore mining的用法和样例：

例句

1. Hydraulic Lifters-seabed mining machinery, mining pipeline through transfusion, the use of hydraulic manganese nodules even with water and mud from the seabed of absorption.
   水力升举式海底采矿机械，是通过输矿管道，利用水力把锰结核连泥带水地从海底吸上来。