telegraph key是什么意思-telegraph key怎么读-telegraph key的中文翻译

《telegraph key》怎以读

英 [ˈtelɪˌgræf ki:]

美 [ˈtɛlɪˌɡræf ki]

《telegraph key》是什么意思

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

学习《telegraph key》怎么用

权威例句

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