井下工作 meaning in English
inside labour
underground operation
underground service
underground work
Examples
- Miners after that many hours underground , take home31 pounds a week after deductions
矿工们在井下工作那么多小时，每周除各种扣款以外，净得工资只有31英磅。 - Miners after that many hours underground , take home 31 pounds a week after deductions
矿工们在井下工作那么多小时，每周除各种扣款以外，净得工资只有31英磅。 - In order to meet the quick advance requirement of the underground coal face gateway equipment , the whole part self - advance technique and equipment had been researched and developed
摘要为适应井下工作面顺槽设备快速移动的要求，研制开发了顺槽设备整体自移技术和装备。 - Practice shows that choosing grinding parameter rationally could ensure a higher explosion - proof capability for the operation machines in coalmines and meet the technical requirement of work safety in mine
实践证明，合理选择磨削参数，能够保证煤矿井下工作机械具有高的防爆性能，达到矿井安全生产的技术要求。 - This paper probes into some measures for the safety in production from three aspects of doing well the ceiling management of the mining face with complex geological structure , controlling strictly the gas density and spark origin in the mining face , and strengthening the safety training
从做好地质构造复杂工作面的顶板管理、严格控制井下工作面瓦斯浓度和引爆火源、加强安全培训工作3个方面探讨了安全生产的措施。