The foundation becomes solid after tamping . 打夯以后,地基就瓷实了。
2.
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
3.
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。