underground worker meaning in Chinese
井下工人
Examples
- Once she helped to hide an underground worker
有一次她帮助藏起一个地下工作人员。 - The puppet soldiers searched the village for our underground workers
伪军在全村搜寻我们的地下工作人员。 - It is hence important to develop a kind of new intelligent protection system with wonderful performances used in flameproof switchgear which can not only improve the supply quality of underground hv distribution system but also perfect its protective properties , especially can prevent the underground from gas explosion and guarantee the operating safety for underground worker
长期以来现场所使用的这种开关载流能力小、保护简单、故障率高,直接影响矿井供电的可靠性、安全性和连续性,因此研究高性能的6kv防爆开关综合保护系统对提高供电质量、保障人身安全,完善电网保护不仅具有重要的现实意义而且具有较高的经济价值。