单词:sediment storage capacity of reservoir
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Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor
Extreme Storms Are Extreme Eroders数天百年的效果 In 2013, a rare September storm swept across the plains of Colorado. When it hit the Rockies, it dropped more than a foot of rain in places like Boulderas much as the city sees in an entire year
Extreme Storms Are Extreme Eroders数天百年的效果 In 2013, a rare September storm swept across the plains of Colorado. When it hit the Rockies, it dropped more than a foot of rain in places like Boulderas much as the city sees in an entire year
Environmentalists have warned of a new industrial accident in Hungary that they say could once again threaten villages, towns and even Budapest with toxic red sludge. Just outside the Hungarian capital, a reservoir is being watched which has potentia
The Three Gorges Dam has started increasing its discharge capacity ahead of the upcoming flood season. Since last week, the dam has lowered its discharge capacity 3 times. That helped reduce water levels on the Yangtze River for the rescue and salvag
BEIJING, Feb. 24 (Xinhua) -- Beijing authorities have ordered removal of the garbage in a pit near the Miyun Reservoir, a major source of water for the city, the local environmental protection bureau said late Sunday. According to a statement issued