名词
中文翻译：封闭水平线
同义词：
['闭水平线，关闭的水平线例句：1. The closed levelingline is used to mark the boundary betweentwo areas.（封闭水平线用于标记两个区域之间的边界。）2. The engineer carefully measured the distancebetween the closed leveling line and thebuilding.（工程师仔细测量了封闭水平线与建筑物之间的距离。）3. The closed leveling line wasused to ensure that the construction was leveland accurate.（封闭水平线被用来确保建筑是水平的和准确的。）']
例句：
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1. The closed levelingline is used to mark the boundary betweentwo areas.
封闭水平线用于标记两个区域之间的边界。
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2. The engineer carefully measured the distancebetween the closed leveling line and thebuilding.
工程师仔细测量了封闭水平线与建筑物之间的距离。
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3. The closed leveling line wasused to ensure that the construction was leveland accurate.
封闭水平线被用来确保建筑是水平的和准确的。