class a telephone造句

例句与造句

1. A lifelong and ardent fan of the newest and most experimental techniques in recording, Stokowski saw to it that most of the music for " Fantasia " was recorded over Class A telephone lines laid down between the Academy of Music in Philadelphia and Bell Laboratories in Camden NJ, using an early, highly complex version of multi-track stereophonic sound, dubbed Fantasound, which shared many attributes with the later Perspecta stereophonic sound system.
2. It's difficult to find class a telephone in a sentence. 用class a telephone造句挺难的