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马拉绳泵和风力泵

19 May 2017

• Winona

  no edit summary

  23:51

  +328

17 May 2017

• Gladys

  Created page with "80px Image:Horse_and_wind_powered_pumps.PNG|thumb|right|200px|在尼加拉瓜用于灌溉水果树和蔬菜的风力绳..."

  14:19

  +3,156