... 继电器选择器 relay selector 继电设备 relay equipment 继电系统结构 relay system structure ...
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无线电中继设备 radio repeater set ; radio relay equipment
无线电中继通信设备 radio relay set
继电器测试设备 relay test set
测量继电器和保护设备 Measuring relays and protection equipment
继电保护设备 Relaying Protection Equipment
继电器控制设备 Relay Control Unit
自动电报中继设备 [通信] automatic telegraph relay equipment
微波无线电中继设备 microwave radio relay equipment
掌握继电一接触式控制设备的控制线路的检修，是职业技能要求的重要环节。
A very important link that vocational skills require is to grasp overhauling the circuit of relay-contact controlled equipment.
对当前大量使用的继电半自动闭塞设备进行了分析，并研究了实现微机半自动闭塞的可行性。
Based on the analysis of the all relay semiautomatic block which are widely used, this paper discusses the feasibility of the semiautomatic block with microcomputer.
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