“line-drop signal”的概念、定义、翻译、参考文献-科学参考

单词	line-drop signal
释义	line-drop signal [`līn ¦dräp ´sig·nǝl] ^{COMMUNICATIONS} Signal associated with a subscriber line on a manual switchboard.
随便看	go gage goggles going going barrel going train goiter Golay cell gold gold-198 gold alloy Goldbach conjecture goldbeater's skin goldbeater's-skin hygrometer goldbeating Goldberg-Mohn friction gold beryl gold bronze gold chloride gold doping golden algae golden antimony sulfide golden-brown algae goldenrod paper golden section golden-section search

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