The main task of hydraulic excavator is to dig soil.

挖掘机的主要工作就是土壤的挖掘.

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Hydraulic excavator is a typical and complicated construction machine.

液压挖掘机是一种机电液相结合的复杂工程机械.

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This paper introduces research and development of energy - saving control system for hydraulic excavator.

本文主要介绍了液压挖掘机节能控制系统的研究与开发.

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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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