Transportation, communications, and utility networks are growing in complexity. Such networks include highways, railways, and waterways at the surface; subways, pipelines, and cables below the surface;communication lines and transmission lines above the s
AASHTO GAU-4-2005由美国公路与运输员工协会 US-AASHTO 发布于 2005。
AASHTO GAU-4-2005 在中国标准分类中归属于: R10 公路运输综合,在国际标准分类中归属于: 43.080.01 商用车辆综合。
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