... relay core 继电器铁心 relay counter 继电器式计数器 relay cycle timer 继电器式周期定时器，周期定时继电器 ...
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digital relay counter 继电器数字计数器 ; 继电器数字计算器
electronic counter relay 电子式计数继电器
counter relay 计数器继电器
relay digital counter [计] 继电器式数字计数器
counter electromotive force relay 反电动势继电器
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Electrical products which have LCD time counter, Layer sensor, Three-phase AC fault protection relay and so on.
其中电器类产品有液晶显示计时计数器、平层感应器、断相错相三相交流保护继电器等等。
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The units, dubbed "Churchill's Secret Army", were set up to relay vital information about enemy movements and help mount counter-attacks as Britain braced itself for occupation.
BBC: Secret wartime bunker near Cardiff opened to public
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