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1)  underground electric network
井下电网
2)  low voltage electrified wire netting in mine
井下低压电网
1.
Combined with present situation on overcurrent protection of low voltage electrified wire netting in mine,analysed several reasons on appeared mis-start or refuse-start of overcurrent protection in mine,thus provided some concrete arguments for research workers and users of overcurrent protection.
结合目前井下低压电网过流保护的现状,探讨了井下过流保护出现误动与拒动的诸多原因,以便给采用新原理的过流保护的研究者和改进现有过流保护的使用者提供一些具体的论据。
3)  underground HV distribution networks
井下高压电网
4)  down-hole TV
井下电视
1.
The paper introduces applications of down-hole TV in checking structure of water source well and pipe fault, inducting to fish dropped material, checking and accepting water source well, checking formation structure and formation stress analysis of water source well and its obtained economic and society benefit.
简要介绍了井下电视在大港油田水源井水井结构检测、井管故障检测、指导落物打捞、水源井验收、地层结构检测及水源井地层受力分析等方面的应用情况,及应用井下电视检测所取得的经济效益和社会效益。
5)  underground power supply
井下供电
6)  downhole TV
井下电视
1.
Utilizing axial view downhole TV(ATV) and digital panoramic borehole camera system(DPBCS),continuous images of 360°borehole wall are obtained from forward-looking and side-looking,respectively.
利用前视井下电视和数字钻孔摄像,分别从前视和侧视对整个钻孔的360°孔壁进行连续摄像;通过图像特征对孔内现象进行定性描述和定量分析,发现其具有高分辨率、高井壁覆盖率和直观可信等特征。
补充资料:白银有色金属公司深部铜矿主井和副井


白银有色金属公司深部铜矿主井和副井


白银有色金属公司深部铜矿主井和副井
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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