telegraph key

telegraph key音标

英 [ˈtelɪˌgræf ki:]

美 [ˈtɛlɪˌɡræf ki]

telegraph key翻译

释义

发报电键;

英英释义

telegraph key

n.key consisting of a lever that sends a telegraph signal when it is depressed and the circuit is closed

telegraph key用法

权威例句

Telegraph key

Telegraph key

Telegraph-key

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