你知道电视机有多少种吗？三河市供电局李长江电视机早已进入千家万户．深受人们喜爱，其种类随着科学技术的进步也在不断增加。我国从１９５８年开始有电视台，人们开始看黑白电视。随着科学技术的进步，现在许多家庭已看上了形象逼真的彩电。按映象方式、屏幕大小可将彩... Do you know how many TV sets? Three Rivers Power Supply Bureau Li Changjiang TV has already entered millions of households. Popular by people, its type with the progress of science and technology are also increasing. Since 1958, China has a television station, people began to see black and white television. With the progress of science and technology, now many families have taken a fancy to the vivid color TV. According to the image, the screen size will be color ...