短语词组短語TSPS Busy Verification Tone 佔線確認音Busy Verification Tone 佔線確認音;佔線証實音busy back tone 忙音;蜂音group busy tone [通信]群忙音;群佔線音channel busy tone 信道忙音;詳細繙譯line busy tone 線路忙音;佔線音user busy tone 用戶忙音send busy tone 發送忙音 返回 busy tone