In this paper, the principle of HCBK flame -proof telephone with program control and common-battery telephone public-address is introduced.
本文介绍了集程控和共电式扩音功能于一身的HCBK系列程控防爆扩音对讲电话机的工作原理。
2
This paper focus on the existing security risks and the common electrical failure of the flame-proof movable load center during the operation, and the solutions is analyzed and proposed.
本文针对矿井隔爆移动负荷中心运行过程中存在的安全隐患以及常见的电气故障进行分析并提出了解决措施。
3
In this paper, the oxyacetylene flame alloying powder spraying technology was used to strengthen the wear-proof surface of slurry valve.