“telegraph concentrator”的概念、定义、翻译、参考文献-科学参考

单词	telegraph concentrator
释义	telegraph concentrator [`tel·ǝ´graf `käns·ǝn´trād·ǝr] ^ELECTRICITY Switching arrangement by means of which a number of branch or subscriber lines or station sets may be connected to a lesser number of trunklines, operating positions, or instruments through the medium of manual or automatic switching devices to obtain more efficient use of facilities.
随便看	retrograde reservoir retrograde wave retrograding shoreline retrogression retrogressive metamorphism retrolental fibroplasia retroposon retroreflection retroreflector retrorocket retrorse retrostalsis retrosynthetic analysis retroussage retroversion retrovirus retry retting return return address return bead return bend return busy tone return code return connecting rod

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