名词
中文翻译：核心定位器
同义词：
['core-setter', 'core-setter']
例句：
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1.The core-setting jig was used to mark the center of the circle during the construction process.
在建造过程中，使用核心定位器来标记圆心。
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2. The core-setting jig is crucial for ensuring the accuracy of the measurements taken by the surveyor.
核心定位器对于测量师所进行的测量的准确性至关重要。
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3. The engineer used a core-setting jig to create a precise template for the new building's foundation.
工程师使用核心定位器为新建筑的基础创建了一个精确的模板。