direct transmitter

例句：

1. 1.The direct transmitter was responsible for the transmission of signals from one location to another.
   直接传输器负责从一个地点向另一个地点传输信号。
2. 2. The engineer used a direct transmitter to send data over long distances.
   工程师使用直接传输器在远距离上发送数据。
3. 3. The direct transmitter was used in the construction of the new communication system.
   直接传输器被用于新通信系统的建设。