internal lighting protection system 内部防雷系统 ; 内部防雷装置
lighting protection system 防雷系统
lighting protection design 防雷设计
building lighting protection design 建筑物防雷设计
internal lighting protection 内部防雷系统
Finally it gives also the formula for calculating the protection effectiveness of lighting protection wire.
给出了防雷线防雷效果的计算公式。
In the paper, the lighting protection of fiber optical communication in the substation and power plants is analyzed and solved.
从光纤通信的角度出发,分析雷电效应、防护措施,以解决在变电站、发电厂中的防雷保护问题。
Excellent structure and sealing design, lighting protection class IP65, to ensure that the lamps can be in a variety of harsh environment, long-term reliable work.
优良的结构和密封设计,灯具防护等级IP65,确保灯具可在各种恶劣环境中长期可靠工作。
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