Changes
Jump to:
navigation
,
search
堆石透水坝
6 bytes removed
,
05:44, 22 September 2015
no edit summary
===成本===
一座为2至2.
5公顷土地控制侵蚀和供水的典型石坝需要500至650美元建材运输费,约300至600人力工作日。
5公顷土地控制侵蚀和供水的典型石坝需要500至650美元建材运输费,约300至600人工日。
===实地经验===
← Older edit
Newer edit →
Grace
307
edits
Navigation menu
Personal tools
Create account
Log in
Namespaces
Special page
Variants
Views
More
Search
Navigation
Main Page
WASH Portals
Water
Rainwater Harvesting
Sanitation
Finance
Sustainability
Decision & Assessment Tools
Data Libraries
Survey Library
Agriculture Portals
Sustainable Oil Palm Farming
Food & Nutrition Security
Theme Portals
Integrated Coastal Zone Management
Handbook on Data Collection
Practitioner's Tool
School Sanitation Stories
Accessible WASH Design
Emergency WASH
Miscellaneous
Watershed Definitions
Translations
Organisations
About
Help
Tools
Recent changes
Special pages
Printable version
Hosted and managed by