Excavator, also known as excavation machinery (digging machine), also known as excavators, is used to dig the bucket above or below the bearing surface of the material, and loaded into the transport vehicle or unloading to the heap material field of the Earth-moving machinery. Excavator excavation materials are mainly soil, coal, silt and after the soil and rock after the release of the construction machinery in recent years, the development of excavators relatively fast, excavators have become the construction of one of the most important construction machinery. Excavator's most important three parameters: Operation weight (quality), engine power and bucket capacity.
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