英语词汇“call progress tone”的翻译、意思、用法、释义-英汉汉英双解词典

单词	call progress tone
释义	call progress tone 呼叫进行音
随便看	initial investigation initialization condition initialization connection protocol initialization directive initial investment initial investment outlay initial involvement initial ionization initial ionizing event initial ion pair initial irreducibel water saturation initialisation initialisation of the rogram initialisations initialise initialised initialiser initialisers initialises initialising initialism initialisms initial isobaric period initial issue initial issue quantities