Page history

传统人工钻井

5 September 2016

• Winona

  no edit summary

  23:38

  +319

15 November 2015

• Weichen Chen

  →‎鸣谢

  07:25

  -33

• Weichen Chen

  →‎Acknowledgements

  07:25

  +9

• Weichen Chen

  →‎修建、运作和维护

  07:23

  -89

• Weichen Chen

  →‎Manuals, videos and links

  06:51

  -227

• Weichen Chen

  →‎Field experiences

  06:36

  -58

• Weichen Chen

  →‎Costs

  06:26

  -136

• Weichen Chen

  →‎修建、运作和维护

  06:25

  -1,288

• Weichen Chen

  Created page with "__NOTOC__ <small-title /> 80px Image:StoneLiningHandDugWell.jpg|thumb|right|200px| 人们正在人工井中放置石衬砌. 墨..."

  06:13

  +14,241