修路是个技术活，冬夏温差可以到100°，热胀冷缩。还有就是冰涨，水渗入到缝隙，结冰后膨胀，路面就烂了。

来源: 8gu 于 2025-05-10 20:29:28 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.