rolling compaction test 碾压试验

rolling compaction machines 碾压机械

vibratory rolling compaction 振动滚压夯实

rolling compaction operation 碾压作业

rolling compaction combination 碾压组合方式

compaction by rolling 滚碾压实 ; 碾压法 ; 碾实

subgrade slope rolling and compaction 路基边坡碾压

compaction n by rolling 滚碾压实