bulldozer r roller 推土机滚轮
The roadbed fills USES the dump truck to transport by cart, the bulldozer, the road roller booth is even, the bulldozer roller compaction is dense.
路基填方采用自卸汽车拉运，推土机、平地机摊平，压路机碾压密实。
Now there are four series and ten specifications for bulldozer, wheel loader, road roller and fork lift.
现已形成推土机、装载机、压路机和叉车四大系列十余个品种。
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