用“wearing surface”造句大全,wearing surface造句
A flexible pavement has a wearing surface which is often only 5 cm thick.
Vibrating roller compacts the earth until it can bear the weight of the base course and wearing surface that will rest on it.
A flexible pavement has a wearing surface which is often only 5 cm thick.
Vibrating roller compacts the earth until it can bear the weight of the base course and wearing surface that will rest on it.