“inward-outward dialing system”的概念、定义、翻译、参考文献-科学参考

单词	inward-outward dialing system
释义	inward-outward dialing system [¦in·wǝrd ¦au̇t´wǝrd `dī·liŋ ´sis·tǝm] ^{COMMUNICATIONS} Dialing system whereby calls within the local exchange area may be dialed directly to and from base private branch exchange telephone stations without the assistance of the base private branch exchange operator; CENTREX, a service offered by some telephone companies, is a form of inward-outward dialing.
随便看	fire effect fire escape fire-exit bolt fire extinguisher firefinder fire flooding firefly fire foam fire for adjustment fire for effect fire-formed fragment fire fountain fire hook fire hose fire hydrant fire interrupter fire line fire load fire opal fire partition fire plug fire point firepower fireproof fireproofing compound

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