名词
中文翻译：圆度规
同义词：
['circle meter', 'roundness meter']
例句：
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1.The engineer used the roundness gauge to measure the diameter of the pipe.
工程师使用圆度规测量管道的直径。
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2. The manufacturer uses a roundness gauge to ensure that all parts are perfectly round.
制造商使用圆度规确保所有部件都是完美圆的。
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3.The roundness gauge was used to check the accuracy of the machine's measurements.
圆度规被用来检查机器测量的准确性。