英语词汇“phantom circuit”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	phantom circuit
释义	phantom circuit noun An arrangement of telegraph or other electric wires equivalent to an extra circuit.If a telephone company was not happy with a gain of one circuit from two pairs, they could always take two phantom circuits, additional repeat coils and "phantom the phantoms" to obtain seven circuits over four pairs of wire.... Engineers commonly called duplexed telephone circuits ‘phantom circuits’ or simply ‘phantoms.’
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英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。