a wireless set的用法和样例：
- Brown had rigged a wireless set with a 250-mile range. With it, they could check their position and, if they were forced down, spell out an SOS.
- He sent the wireless set there to be mended .
- He sent the wireless set there to be mended.
- He offered to mend the wireless set for me.
- How do I know if a wireless network is secure?
- Data packet transmission over a wireless network.