vertical boom t ranch ing machine

同义词释义

1)vertical boom t ranch ing machine,竖臂挖沟机2)ditcher boom,挖沟机臂3)vertical beam ditcher,竖杆挖沟机4)power arm ditcher,动力臂式挖沟机5)trench excavator,挖沟机;挖沟杈;挖壕沟机6)trench-hoe,挖锄;挖沟机