名词中文翻译
中文翻译：未铺平的基层
同义词：
['unpaved subgrade', 'unfinished subgrade']
例句：
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1.The road was so bumpy that it made the unsurfaced subgrade slippery.
这条道路太颠簸了，使得未铺平的基层变得滑。
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2.The construction crew worked tirelessly to improve the unsurfaced subgrade for the next phase of the project.
施工队努力不懈地工作，为项目的下一阶段改善未铺平的基层。
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3. The engineer inspected the unsurfaced subgrade and determined that it needed immediate repair.
工程师检查了未铺平的基层，并确定它需要立即修复。