斗轮挖掘机
/ˈbɹaʊn ˈdwɔːf/
n
English: bucket wheel excavator · 斗轮挖掘机
English · bucket wheel excavatorEspañol · excavadora de rueda de cangilonesFrançais · excavatrice à roue
释义：Earthmover that consists of a wheel fitted with buckets (scoops); it is used to dig into rock to extract materials, which are then dumped onto a conveyor.