"water"的搜索结果

during safe water day school kids in indonesia try water treated with a chlorine based water treatment solution

标签: during,safe,water,day,school,k 浏览: 1

collecting water from water pump

标签: collecting,water,from,water,pu 浏览: 1

after a water users association and irrigation plan was put into place farmersaw

标签: after,a,water,users,associatio 浏览: 1

ghanaian child pumps water from a well

标签: ghanaian,child,pumps,water,fro 浏览: 1

reclaiming water in the earthquake zone

标签: reclaiming,water,in,the,earthq 浏览: 1

ryou the water

标签: ryou,the,water 浏览: 1

water and sanitation specialist talking with people in bangladesh

标签: water,and,sanitation,specialis 浏览: 1

ese men are inspecting a small dam used for managing water one of the most important resources in africa

标签: ese,men,are,inspecting,a,small 浏览: 1

india tsunami recovery efforts clean water

标签: india,tsunami,recovery,efforts 浏览: 1

woman gets clean drinking water

标签: woman,gets,clean,drinking,wate 浏览: 1

water health and sanitation adviser checks the chlorine level of drinking water

标签: water,health,and,sanitation,ad 浏览: 1

eritrea opening of new water sources

标签: eritrea,opening,of,new,water,s 浏览: 1

efficiency improvements at the central water supply system

标签: efficiency,improvements,at,the 浏览: 2

chaprochoshal village members relocated after the earthquake receive water filters water

标签: chaprochoshal,village,members, 浏览: 0

burma service members form a line to carry water supplies off a c 130 at the yangon international airport

标签: burma,service,members,form,a,l 浏览: 0