telegraph relay

短语词组

短语

• telegraph automatic relay equipment 电报自动中继设备;电报自动转接设备
• automatic telegraph -relay 自动转报
• telegraph switching relay system 电报交换系统
• telegraph vibrating relay 电报振动替续器
• TARE Telegraph Automatic Relay Equipment 电报自动中继设备
• mechanization of telegraph relay 电报中继的机械化
• automatic telegraph relay center 自动转报中心
• automatic telegraph relay equipment [通信]自动电报中继设备
• relay for telegraph 电报用继电器
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