名词
中文翻译：提升者
同义词：
['elevator', 'grader', 'leveler']
例句：
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1. The elevation grader is used to measure the height of buildings.
提升者用于测量建筑物的高度。
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2. The grader was designed to improve soil quality and prevent erosion.
分级器被设计用来改善土壤质量并防止侵蚀。
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3. The elevation grader was used to level the ground before construction began.
在施工开始之前，使用了提升者来平整地面。