... điều khiền thi t bị cấu trúc linh hoạt Today, SPC exchanges exchange are characterized by simple handling of the equipment and flexible structure Anh ta chịu trách nhiệm dự án đại hóa thi t bị ... connect and disconnect the phone from the network - This switch is generally called the hook switch It connects when you lift the handset • A speaker - This is generally a little speaker • A microphone ... giảm, kết vệ tinh bắt đầu cạnh tranh với cáp ngầm biển The cost of satellite began to fall steadily and, consequently, satellites have to compete with undersea cables Thi t bị thu tín hiệu, khuyếch...