EPISODE · Aug 7, 2023 · 3 MIN
高速为啥都是沥青路面,而不用水泥
from 备胎说车
高速为啥都是沥青路面,而不用水泥?高速早期都是水泥路?为什么现在都是沥青路了?收费站的路面咋又变成水泥路了?
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高速为啥都是沥青路面,而不用水泥
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