| 1. | In the evening, barras and jennings went down and began to explore the old workings . 黄昏时分,巴勒斯和詹宁斯来到井下,开始仔细察看老矿区。 |
| 2. | He never took more than two slices of bread and butter to eat in the pit, so an apple or an orange was a treat to him . 他在井下最多只吃两片黄油面包,因此有个苹果或桔子对他就是件难得的高兴事。 |
| 3. | Plastic woven fabric protecting top - plane in coal mine 煤矿井下假顶用塑料编织布 |
| 4. | Calculating method of power load underground mine 煤矿井下电力负荷计算方法的探讨 |
| 5. | Inquiring into local power supply method in mines 井下局部通风机供电方式的探讨 |
| 6. | Seventy - two miners have been found alive 爆炸发生后,井下矿工有72人得以生还。 |
| 7. | The analyse about motor generator ' s breakdown in mines 煤矿井下电动机故障分析 |
| 8. | Discussion on auxiliary trackless transport in coal mine 煤矿井下无轨辅助运输 |
| 9. | Verification regulation of mechanical pressure gauge 机械式井下压力计检定规程 |
| 10. | Radial temperature distribution in production oil wells 生产油井井下径向温度的分布 |