| 1. | Flexible cables for use at mines and quarries 矿井和露天矿用挠性电缆 |
| 2. | Electrical installations for open - cast mines and quarries - glossary 露天矿和采石场的电气装置.第1部分:术语词汇 |
| 3. | Electrical installations for open - cast mines and quarries - recommendations for operation 露天矿和采石场的电气装置.第5部分:操作推荐标准 |
| 4. | Specification for cable glands and sealing boxes for association with apparatus for use at mines and quarries 矿井和采石场设备用电缆密封装置和密封盒规范 |
| 5. | Electrical installations for open - cast mines and quarries - recommendations for equipment and ancillaries 露天矿和采石场的电气装置.第3部分:设备及辅助设备推荐标准 |
| 6. | Electrical installations for open - cast mines and quarries - general recommendations for protection against direct contact and electric shock 露天矿和采石矿的电气装置.第2部分:防止直接接触和触电的一般推荐标准 |
| 7. | Welcome to guiyang kemai machinery and equipment co . ltd as specialize manufacturer and supplier of mining and quarry equipment and tools in china 贵阳科迈机械设备有限公司是一家专业进出口公司,主要从事矿山机具及配套相关产品和技术的进出口业务。 |
| 8. | Electrical installations for open - cast mines and quarries - recommendations for winning , stacking and processing machinery , pumps and low signal level and communications systems 露天矿和采石场的电气装置.第4部分:开采层叠和处理机械设备泵和低信号级及通信系统推荐标准 |
| 9. | In the absence of natural resources , the contribution of primary production ( agriculture and fisheries , mining and quarrying ) to gdp and employment is negligible in hong kong 由于缺乏天然资源,第一级生产行业(渔农业、采矿和石矿业)在本地生产总值及就业人数中所占的比率微不足道。 |
| 10. | Owing to the absence of natural resources , primary production ( agriculture and fisheries , mining and quarrying ) is very small in terms of its contributions to both gdp and employment in hong kong 由于缺乏天然资源,第一级生产行业(渔农业、采矿和石矿业)在本地生产总值及就业人数中所占的比率微不足道。 |