介面信號(hào)格式 signaling format: 信令格式signaling interface: 信號(hào)接口n7si number signaling interface: 七號(hào)信令接口siu signaling interface unit: 信令接口單元data interface format (dif): 數(shù)據(jù)接口格式下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
