multiple-operator power source

例句：

1. 1.The new multifunction printer has a built-in scanner and a large memory capacity.
   这款新型多功能打印机内置扫描仪和大容量内存。
2. 2. The company's new product line includes multiple models for different customer needs.
   该公司的新产品线包括针对不同客户需求的多种型号。
3. 3.The engineer used a multiple-operator power source to control the machine's speed and direction.
   工程师使用了一个多重操作电源来控制机器的速度和方向。