Their first descent into the abyss started with an 800 metre ride through tunnels and caverns on the old Miners Tramway, a train hauled by a battery-electriclocomotive.
两人先是乘坐老式矿场电吊车穿过了800米的地道和岩洞抵达洞穴。
2
A new battery charger for mining electriclocomotive is developed based on DSP technology.
基于DSP技术研发了一种新型矿用电机车蓄电池充电装置。
3
KGT used in electriclocomotive, that starts steadily speed regulation equation saves electric energy, extends storage battery life.