Changes

Jump to: navigation, search

绳子与水桶

288 bytes added, 00:47, 10 November 2015
no edit summary
{{Language-box|english_link= Rope and bucket | french_link= Coming soon | spanish_link= Coming soon | hindi_link= Coming soon | malayalam_link= Coming soon | tamil_link= Coming soon | korean_link= Coming soon | chinese_link=绳子与水桶 | indonesian_link= Coming soon | japanese_link= Coming soon }}
[[Image:rope and bucket icon.png|right|80px]]
[[Image:RopeandBucketphoto.jpg|thumb|right|200px|绳子与水桶装置。塞内加尔的考拉克地区，法斯•图库勒尔，图片来源：
[http://appropriateprojects.com/node/731 Fass Toucouleur（法斯•图库勒尔）水井改善工程]]]
__NOTOC__ <small-title />
绳桶装置主要用于手工挖掘井。将桶系在绳子上降到水中，当桶碰到水的时候会下沉并装满水，随后再用绳子把它拉上来。绳子可以由手拉动、运用滑轮或绕在绞盘上。有时，畜力牵拉可与滑轮一同使用。改良的装置中，绳子要绕过滑轮，还要用两只水桶（绳子两端各一只）。对于浅于10米的水，可使用带有软管的绞盘，软管从水桶底部连到井的出水口。然而，即使水井有防护装置，卫生情况仍较差。
Winona
Akvopedia-spade, akvouser, bureaucrat, emailconfirmed, staff, susana-working-group-1, susana-working-group-10, susana-working-group-11, susana-working-group-12, susana-working-group-2, susana-working-group-3, susana-working-group-4, susana-working-group-5, susana-working-group-6, susana-working-group-7, susana-working-group-8, susana-working-group-9, susana-working-group-susana-member, administrator, widget editor
30,949
edits
Retrieved from "https://akvopedia.org/wiki/Special:MobileDiff/30013"

Navigation menu