# 市内电话

- [资料库目录](https://shandong-chorography.org/database/qingdao-posts-bureau/toc.md)
- [章节网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/)

## 篇目

- [第一章交换设备](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/38/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/38/))
  - [第一节 架空明线](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/39/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/39/))
  - [第二节市话电缆](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/40/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/40/))
  - [第三节管](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/41/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/41/))
  - [第四节局 间中继线](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/42/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/42/))
  - [第五节长市中继线](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/43/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/43/))
  - [第六节电缆充气](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/44/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/44/))
  - [第一节发展概貌](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/45/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/45/))
  - [第二节 管](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/46/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/46/))
  - [第一节 业务种类](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/47/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/47/))
  - [第二节业务台](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/48/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/48/))
  - [第三节公用电话](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/49/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/49/))
  - [第四节 资](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/50/index.txt) ([网页](https://shandong-chorography.org/database/qingdao-posts-bureau/section/6/article/50/))