... table block telephone 桌式闭塞电话机 telephone block system 电话闭塞 telephone block working 电话闭塞法 ...
基于64个网页-相关网页
telegraph or telephone block system 通信闭塞制
pilot and telephone block system 响导及电路行车制
Telephone Block Wiring System 电话配线系统
Multicomponent telephone block access system 发明名称
·2,447,543篇论文数据，部分数据来源于NoteExpress
The article mainly presents the design process of personalize product authentication telephone service system, utilizing D081A speech block of DongJin company.
主要介绍了利用东进公司的D081A语音卡来实现商品电话防伪查询系统的具体设计。
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