例句與造句

1. EVN imposed rotating power cuts earlier this year as the worst drought in a century dropped water levels to critical levels at the reservoirs that feed key hydroelectric plants.
2. The paper placement is achieved by rolling the paper onto an internal drum, unrolling it when the user presses a line-feed key, and using a clock-like escapement to move an embossing carriage over the paper.
3. It's difficult to find feed key in a sentence. 用feed key造句挺難的