震动压路机将泥土压实，使其能承受上面的基层和磨损面的重量。
Vibrating roller compacts the earth until it can bear the weight of the base course and wearing surface that will rest on it.
震动压路机将泥土压实，使其能承受上面的基层和磨损面的重量。
Vibrating roller compacts the earth until it can bear the weight of the base course and wearing surface that will rest on it.
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