capacity of telephone exchange detail
English translation for "步进制电话局" ... 县电话局: country telephone exchange detail>> 电话局容量: capacity of telephone exchange detail>> 国际电话局: international exchange; international ... detail>> ...
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capacity of telephone exchange detail
电话交换机容量详细信息
以上为机器翻译结果，长、整句建议使用 人工翻译 。