短語詞組短語delay time dial [通信]延時撥盤fine delay dial 延時微調(diào)刻度Delay Dial Signaling 延遲撥號信令fine abrasive delay dial 延時微調(diào)刻度range -delay dial 距離coarse delay dial 粗延時度盤dial Delay 撥號后延遲Post Dial Delay 這也叫做撥號后延遲 返回 delay dial