名词
中文翻译：水平管
同义词：
['leveling rod', 'leveling pipe']
例句：
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1.The engineer used a levelling tube to ensure the accuracy of the measurements.
工程师使用水平管确保测量的准确性。
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2. During construction, it's important to use levelling tubes to keep the ground level.
在施工过程中，使用水平管保持地面水平是很重要的。
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3. The levelling tube was inserted into the hole and adjusted until the water level was at the desired height.
将水平管插入孔中并调整到所需的高度。