单词：temperature of concrete during construction
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A tornado hit parts of west Auckland around midday today. Three construction workers were killed when concrete panels fell on top of them. Seven other construction workers were injured. Roofs lifted off houses in the strong wind and trees fell on top
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By Ben Gilbert Baghdad 11 January 2006 An Iraqi mason works on a wall surrounding a new school on the outskirts of Basra (file picture) Iraq has been hit with a construction boom - in no small part du
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This is Scientific American 60 Second Science, I am Sophie Bushwick, got a minute? Is the attempt to make environmentally friendly roadways doomed to wind up in the toilet? Actually, it may be the other way around. To earn a green certification, the
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China's Ministry of National Defense has denounced the US Defense Department's annual report to Congress on military and security developments involving China. The ministry urged the US to stop activities that damage China-US relations. Defense Minis
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