打夯 meaning in English

[建筑] (打地基) ramming; drill piles in construction; tamping
◇打夯机 ramming machine; rammer; tamper

The foundation becomes solid after tamping .
打夯以后，地基就瓷实了。
Railway track construction and maintenance plant . tamping and levelling machines with continuous progress . specifications
铁路建造和维护设备.连续行进的打夯机与平土机.规范
In addition to rammers and smaller vibration plates , a whole range of other products for the domestic market and for export worldwide is currently produced in the usa
除打夯机和小型振动盘之外，其他的国内用和全球范围供应的产品都广泛的在美国生产。