回填料采用机械运输，夯实采用蛙式夯机或立式夯机进行夯压，允许的情况下采用碾压机进行压实。
The backfill shall be transported with machine and rammed with a frog rammer or a vertical rammer, or rammed with a roller in case of allowable situation.
冲夯机适用于公路建造中台背处回填土砂石压实；
HCR Tamping rammer, is used to compact the gravel, sand in road construction;
冲夯机适用于公路建造中台背处回填土砂石压实；
HCR Tamping rammer, is used to compact the gravel, sand in road construction;
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