ink pump

例句：

1. 1. The printer needs an ink pump to replace the old one.
   打印机需要更换一个墨水泵。
2. 2. The ink pump is a small device that helps distribute ink evenly across the paper.
   墨水泵是一个小装置，帮助均匀地将墨水分布在纸上。
3. 3. The ink pump was designed to prevent leaks and ensure consistent printing quality.
   墨水泵被设计成防止泄漏并确保印刷质量一致。