名词
中文翻译：沟渠挖掘机
同义词：
['ditch digger', 'ditch cultivator']
例句：
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1.The ditch dredger was used to clear the muddy road.
沟渠挖掘机被用来清理泥泞的道路。
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2. The ditch dredger was a crucial tool in the construction of new roads.
沟渠挖掘机是新建道路建设中不可或缺的工具。
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3.The ditch dredger was used to remove debris and rocks from the riverbed.
沟渠挖掘机被用来从河床上移除杂物和岩石。