英语词汇private manual exchange是什么意思，private manual exchange的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	private manual exchange
释义	private manual exchange　专用人工交换机
随便看	whole-hog whole-hogger whole-hoofed whole-length whole-length whole-life whole-life whole-life insurance whole-life insurance whole-milk whole-number whole-souled whole-timer whole-wheat whole-wheat whole-wheat whole-wheat wholefood wholefood wholefood wholefood wholefoods wholegrain wholegrain wholegrain

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