“attendant's switchboard”的概念、定义、翻译、参考文献-科学参考

单词	attendant's switchboard
释义	attendant's switchboard [ǝ`ten·dǝns `swich´bȯrd] ^{COMMUNICATIONS} Switchboard of one or more positions in a central-office location which permits the central-office operator to receive, transmit, or cut in on a call to or from one of the lines which the office services.
随便看	ivory ivory black ivory board ivory point Ixion methylbenzene methylbenzethonium chloride methyl benzoate methyl blue methyl borate methyl bromide methyl butene methyl butyl ketone methylbutynol methyl butyrate methyl caprate methyl caproate methyl caprylate methyl carbonate methylcellulose methyl chloride methyl chloroacetate methyl chlorocarbonate methyl chloroform methyl chloroformate

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