... control,precise and stable. 2.Equipped with gasoline engine,with simple and dexterous structure. 3.With the combinationof automatic control systems of ... entire flat: making up of scraper blade,vibrator,vibrating plate and other components integrates the leveling,vibration,vibration,and ... 5.4000 times/min high frequency vibrator: leveling head plate can high-frequency vibrate which can ensure the density ...