【建筑】切割链挖掘机，多铲斗挖掘机【建筑】多斗挖掘机

multi-bucket trench digger

multi-bucket excavator

multi-bucket ladder dredger

multi-bucket excavator

multi-bucket excavator (chain bucket excavator, bucket ladder excavator)

multi-bucket excavator (chain bucket excavator, bucket ladder excavator)

multi-bucket dredger (endless chain dredger)

multi-bucket dredger, endless chain dredger