color TV transmitter

例句：

1. 1.The color TV transmitter is the key to a good picture quality.
   彩色电视发射机是获得良好画质的关键。
2. 2. The color TV transmitter is responsible for converting the video signal into an audio signal.
   彩色电视发射机负责将视频信号转换为音频信号。
3. 3.The color TV transmitter is used to send signals from the camera to the receiver.
   彩色电视发射机用于将来自摄像机的信号发送到接收器。