collecting conveyer,gathering conveyer

Nodule collector is an equipment for picking up the multiplemetal nodules on about 5000m deep water ocean floor with complicated and adverse circumstances.

集矿机是用于水深５０００ｍ左右、环境条件复杂恶劣的海底采集其表层多金属结核矿石的设备。

Optimized design of coalbed methane development with reference to Xinji mine;

煤层气开发井网优化设计——以新集矿区为例