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Why can't the dam body of a dam be of uniform cross-section? What shape would actually make it the m
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How can shallow water drown people?
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The motto of load-bearing walls: Don’t touch me! How to distinguish between load-bearing walls and n
Fans claim this is an elimination replay? Spring Earth has the answers!
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How are "death icicles" formed?
The sunfish that all fishermen dislike when they see it!
Do you know what's hidden inside this thousand-year-old Chinese seated Buddha statue on display in t
It costs an average of more than 1 million RMB to open it once. The design of the Panama Canal's mit
How does the Zhan-type coupler solve the train connection problem? What kind of coupler is used on h
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