bucket wheel excavator
/ˈbɹaʊn ˈdwɔːf/
n
English · bucket wheel excavator中文 · 斗轮挖掘机Español · excavadora de rueda de cangilonesFrançais · excavatrice à roue
意味：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.