... 鼓形修整crowning 挖根undercut 瞬时轴instantaneous axis ...
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短语
挖根机
root puller
;
[林]
uprooter
;
root extractor
挖根锄
grubber
挖根螺旋钻
[林]
stump auger
挖根犁
[林]
root plow
挖根钩
grub hook
挖根铲
root shovel
挖除伐根
uprooting
;
grubbing
球根挖掘机
bulb digging machine