挖掘机英语是怎么说
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A excavator is a machine used for digging and moving large objects, typically in construction or earthmoving projects. In Engpsh, an excavator is also sometimes called a digger or a backhoe. It typically consists of a bucket attached to a boom and arm, which is mounted on a rotating platform. The operator controls the movements of the excavator using a control panel, and the machine is powered by a diesel engine.