名词
中文翻译：梁测距仪
同义词：
['beam gauge', 'beam caliper']
例句：
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1.The engineer used a beam calliper to measure the length of the beam.
工程师使用梁测距仪测量梁的长度。
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2. The beam calliper was used to check the accuracy of the measurements.
梁测距仪被用来检查测量的准确性。
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3. The beam calliper helped the technician to determine the exact dimensions of the beam.
梁测距仪帮助技术员确定了梁的确切尺寸。