- Category:
- Project Design
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- File Size:
- 164kb
- Update:
- 2018-01-24
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- Uploaded by:
- 碧海童年
Description: A long distance laser collimation pointing system is widely used in various construction survey, especially for underground construction with poor illumination.
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File list (Check if you may need any files):
| Filename | Size | Date |
|---|
| 激光准直系统的设计.pdf | 180138 | 2016-08-27 |
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