1、
the design and implementation of automatic detect system for interoffice telephone trunk
局间中继线路自动侦测系统的设计与实现
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2、
interoffice junction digital line signalling system for telephone automatic switching network
电话自动交换网局间中继数字型线路信号方式
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3、
small h in the telephone automatic speaking, wordy, i did not hear a word.
小H在电话里自言自语般的罗嗦着，我一句未听进去。
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4、
5、
