Hauv kev tsim kho cov haujlwm, muaj cov cuab yeej siv tau zoo yog qhov tseem ceeb kom ua tiav cov txiaj ntsig zoo.Lub vibratory roller yog ib qho ntawm cov khoom siv tseem ceeb.Lub vibratory roller yog lub tshuab ua haujlwm hnyav tsim los tsim ntau yam khoom siv, suav nrog av, pob zeb, thiab asphalt.Nrog ntau qhov zoo ...
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