一个很长的 PDF 可能包含你需要的极小部分内容：报告中的几页、一份申请表或一组会议记录。 我可以让你挑选这些页面，并将它们一起保存为一个新的 PDF。点击缩略图，或输入类似 3, 18, 42-46 的内容。这样就选择了七页。无论你先选择了哪一页，它们都会保持在原文档中的顺序。 当页面分散时，这种区别很重要。你可以将它们收集到一个文件中，而无需将整个文档分成多个单独的下载文件。在保存之前，请打开较大的预览界面以检查你所选择的内容。 你的 PDF 将保留在你的设备上，原文件保持不变。新副本有一些限制：表单字段将变为固定的页面内容，书签不会被继承，且原文档内部的页面链接将被移除。指南会在你使用结果之前详细说明这些限制。
A long PDF can contain a very small thing you need: a few pages from a report, an application, or a set of meeting notes. I let you pick those pages and save them together as one new PDF. Tap the thumbnails, or enter something like 3, 18, 42-46. That selects seven pages. They keep their order in the original document, whichever one you picked first. The distinction matters when the pages are scattered. You can collect them into one file without dividing the whole document into separate downloads. Before saving, open a larger preview to check what you have selected. Your PDF stays on your device, and the original file is left unchanged. The new copy has some limits: form fields become fixed page content, bookmarks are not carried over, and links to pages inside the original are removed. The guides explain these limits before you need to rely on the result.
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