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hydraulic excavator
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hydraulic excavator
Encyclopedia
工学
铲土运输机械
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hydraulic excavator
液压挖掘机
具有可带着工作装置做360°回转的上部结构、主要用铲斗进行挖掘作业并在工作循环中底盘不移动的自行的履带式、轮胎式或步履式机械。
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