英语词汇trunk call service怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	trunk call service
释义	trunk call service 简明释义长途台双语例句 1 When you purchase such a SIP Trunk, it provides the ability to place one call at a time through the service provider's network. 当你购买这样一个SIP中继，它提供了能够在一个地方通过一次电话服务供应商的网络。
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。