The important machinery of the schoolwork soil compaction is the vibroll whose superiority makes it take 90% of the market of road roller.
压实作业
械就是振动压路，振动压路压实优越性使其占压路市
90%份额。
The important machinery of the schoolwork soil compaction is the vibroll whose superiority makes it take 90% of the market of road roller.
压实作业械就是振动压路，振动压路压实优越性使其占压路市90%份额。
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