Inside and outside cable and circuit laying out, guarding, connection, switch-in, leading out and conductor arrangement of internal signal room on construction site.
工程地点内信号室内外电缆及电线路的敷设、防护、接续、引入、引出、配线等。
This article analyzes the selection forms of protection earthed system of low Pressure switch of civil buildings, and studied construction request of guard Wire (PE) earthed system.
分析民用建筑低压配电保护接地系统的选用型式，浅论了系统的保护线(PE)接地装置施工要求。
This paper introduces design method and construction of film switch, puts an emphasis on film switch applications in military electronic products design.
介绍薄膜开关的设计和构造，讨论薄膜开关在军用电子产品设计中的应用。
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