| 释义 |
Macadam road
Macadam roadA road surfaced according to the Macadam plan. That plan called for first spreading and rolling a three- or four-inch layer of coarse rocks of uniform size on a graded roadway and then covering it with a layer of finely crushed rock that was worked down into the interstices of the first layer.macadam road
macadam road (məkăd`əm): see pavementpavement,
the wearing surface of a road, street, or sidewalk. Parts of Babylon and Troy are believed to have been paved; Roman roads were noted for their durable stone paving. Cobblestones were common from late medieval times into the 19th cent.
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