line feed signal

例句：

1. 1. The printer usesa line feed signal to move the paperthrough the machine.
   打印机使用行间进料信号来移动纸张通过机器。
2. 2. Theengineer used a line feed signal to controlthe speed of the conveyor belt.
   工程师使用行间进料信号来控制输送带的速度。
3. 3. The line feed signal wasused to ensure that the paper was fedevenly across the entire width of themachine.
   行间进料信号被用来确保纸张在整个机器的宽度上均匀地送入。