聋哑电话勤文１９９１年１０月，第４７届联合国大会通过决议，确定每年的１２月３日为“国际残疾人日”。当今科学技术日益进步，为广大残疾人不断带来福音，专为聋哑人研制的的电话即为一例。它的面世，为处于困难情况下的人际交往大开了方便之门。聋哑人电话尽管形形色... Deaf and dumb phone hardworking In October 1991, the 47th UN General Assembly passed a resolution establishing December 3 each year as the “International Day of Persons with Disabilities.” With the progress of science and technology today, the number of handicapped people who continue to bring good news to the deaf and mute people is an example. Its advent of the world opens the door to easy access to people in difficult situations. Deaf mute phone despite the shape ...