metal ribbon source

例句：

1. 1. Thenew device uses a metal ribbon source topower its display.
   这款新设备使用金属带状源为其显示屏供电。
2. 2. The engineer designedthe metal ribbon source with precision and efficiency.
   工程师以精确和高效的方式设计了金属带状源。
3. 3. The metal ribbon source isessential for the operation of the new machine.
   金属带状源是新机器运行所必需的。