Nodule collector is an equipment for picking up the multiplemetal 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