As important engineering machine, hydraulic excavator is widely used in earthwork construction and mine exploitation.
液压挖掘机作为重要的工程机械，广泛应用在各种土石方施工和矿山采掘业中。
As important engineering machine, hydraulic excavator is widely used in earthwork construction and mine exploitation.
液压挖掘机作为重要的工程机械，广泛应用在各种土石方施工和矿山采掘业中。
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