... narrow band digital voice system 窄带数字话音系统 NBSV Narrow-Band Secure Voice 窄带保密电话 NBSV Narrow-Band Secure Voice 窄带保密话音 ...
基于30个网页-相关网页
... 卫星保密电话 satellite secure voice 窄带保密电话 Band Secure Voice 保密电话系统 voice security telephone system ...
基于8个网页-相关网页
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