[die] 输。
讯。
radio transmission, radio communication
[die] 线
输。
线通讯。
radio transmission, radio communication
[die] 无线输。无线通讯。
radio transmission, radio communication
[die] 无线输。无线通讯。
radio transmission, radio communication
[die] 。
通讯。
radio transmission, radio communication
[die] 线
输。
线通讯。
radio transmission, radio communication
[die] 无线输。无线通讯。
radio transmission, radio communication
[die] 输。
通讯。
radio transmission, radio communication
[die] 输。
讯。
radio transmission, radio communication