"water"的搜索结果

boy carries a bucket of water in the early morning

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rural women in east timor with water in hands

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

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collecting water from water pump

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

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ghanaian child pumps water from a well

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reclaiming water in the earthquake zone

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ryou the water

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water and sanitation specialist talking with people in bangladesh

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

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india tsunami recovery efforts clean water

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woman gets clean drinking water

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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: 1