speech security的意思|示意
speech security相关短语
1、 hand-held speech security unit 手持式话密机
2、 speech security equipment 语音保密设备
3、 held speech security unit 手持式话密机
4、 hanyd-held speech security unit 手持式话密机
5、 security speech communication 语音保密通信
6、 speech h security equipment 语音保密设备
7、 speech chaotic security communication 语音混沌保密通信