【建筑】多铲开凿机（链铲开凿机，铲斗梯形开凿机）【建筑】多斗式挖掘机（链斗式挖土机，链斗挖掘机）

multi-bucket excavator

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 dredger (endless chain dredger)

multi-bucket dredger, endless chain dredger