“one-way trunk”的概念、定义、翻译、参考文献-科学参考

单词	one-way trunk
释义	one-way trunk [`wǝn ´wā `trǝŋk] ^ELECTRICITY Trunk between two central offices, used for calls that originate at one of those offices, but not for calls that originate at the other. Also known as outgoing trunk.
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