名词
中文翻译：土地平整
同义词：
['leveling', 'land preparation', 'soil preparation']
例句：
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1. The engineers were tasked with the difficult task of land leveling.
工程师们被赋予了一项艰巨的任务，即土地平整。
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2. Before the construction began, the site was carefully leveled to ensure a smooth surface.
在施工开始之前，场地被仔细平整，以确保表面光滑。
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3. Land leveling is crucial for ensuring proper drainage and preventing soil erosion.
土地平整对于确保适当的排水和防止土壤侵蚀至关重要。