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为什么农村是水泥路,而不是柏油路?
本文来自微信公众号:正解局,作者:正解局,原文标题:《为什么农村公路是水泥路,就不修柏油路?》,题图来源:AI生成 当我们开车经过高速或是城市道路时,道路多是黑色的柏油路(沥青路),但到了农村地区,公路就成了白色的水泥路。 很多人可能会 ...
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