sprocket holes meaning in English
中导孔，输送孔，定位孔
Examples
- In many line printers ; a short , continuous belt or chain with “ teeth ” thatengage the sprocket holes of continuous stationery to move the paper through the machine
在许多行式打印机中，一种带齿的连续的短带或链条，它?合连续纸张上的链状孔以带动纸张通过机器。