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... ement road must be dried for at least one week before it can be used.
And the cement road has poor swelling properties. Once the temperature difference is too large, the road surface will collapse or crack.
Asphalt roads can solidify within a few hours as long as they are in normal weather, and can be opened to traffic in 24 hours.
There are no more pure asphalt roads, because asphalt can produce carcinogens at high temperatures.
Therefore, nowadays, when asphalt road ...
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