macadam造句
2024年03月26日 04:59:03
Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.
人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层.
The construction techniques of cement treated
macadam base are always paid more attention by highway constructors.
水泥稳定碎石基层的施工技术历来被公路施工单位所重视.