页长

例句：

1. 1. The book has a length of200 pages.
   这本书有200页。
2. 2. The printer needs to adjust thepage length to fit the new paper size.
   打印机需要调整页面长度以适应新的纸张尺寸。
3. 3. The engineer measured the page lengthand calculated the necessary adjustments.
   工程师测量了页面长度并计算了必要的调整。