| 1. | Chose the type and kit of mechanic - electric equipments of coalface 采煤工作面机电设备的选型与配套 |
| 2. | Stability control of packing body for gob - side entry retaining in fully - mechanized coalfaces with top - coal caving 综放沿空留巷充填体稳定性控制 |
| 3. | Numerical simulating the influence of mining across over main roadway to the main roadway in the bottom of coalface 跨采对影响底板岩巷稳定性的数值分析 |
| 4. | Underground lighting in hardcoal mining - lighting - technological planning bases - part 2 : coalfaces with shield support 无烟煤地下开采照明.照明.技术规划基础.第2部分:带防 |
| 5. | Aimed at the shortcomings of coalface passing through fault as low speed , low efficiency and low - quality coal and so on , a new technique was suggested 摘要针对采煤工作面过断层速度慢、效率低且影响煤质等缺点,提出工作面快速无矸石过断层清洁开采技术。 |
| 6. | The high - voltage flameproof switchgear is a key apparatus for 6kv - power supply system in underground mines . the switchgear is used for supplying power energy to hv working machinery or next lv distribution station in coalface 煤矿井下6kv电网防爆开关是矿井供电系统的关键设备,它负责向工作面和掘进面的工作机械提供电能。 |