A ramming machine is used to firm the ground up.
打夯机用来将地面打实。
We should act like a ramming machine, and lay a solid foundation.
我们要像夯机一样把基础打好。
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。
Research on Mechanical Behavior Study of Switch Sleeper Caused by Ramming Machine on the Site
捣固机作业对岔枕受力影响的研究
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