The thieves fled, ramming the policeman's car 小偷撞了警车后逃走了。
A ramming machine is used to firm the ground up. The foundation becomes solid after tamping. 打夯机用来将地面打实。打夯以后,地基就瓷实了。
It discusses how to prolong life of refinery furnace liner with ramming material. 论述了延长精炼电炉捣打料炉衬寿命的问题。
The construction supervision on surface cleaning, foundation treatment, mechanical and manual reclamation, mechanical rolling and manual ramming for roadbed are described in details in this paper. 对路基的清表、地基处理、机械和人工填筑、机械碾压和人工夯实(R)等施工监理工作内容做了详细论述。
A tool for ramming or driving something down. 将某物冲下或赶下去的工具。