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.
当水被抽出来时，剩余的空间被上层的泥土填满压实。
As the water is pumped out, the vacant space left is compacted by the weight of the earth above.
钢筋之间应该有足够的空间允许振捣器进入混凝土振捣和并使混泥土能良好的压实。
There should be sufficient space between the resulting columns of bars to allow access for vibrators and good compaction of the concrete.
钢筋之间应该有足够的空间允许振捣器进入混凝土振捣和并使混泥土能良好的压实。
There should be sufficient space between the resulting columns of bars to allow access for vibrators and good compaction of the concrete.
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