名词
中文翻译：测量器
同义词：
['vernier', 'vernier caliper', 'vernier scale']
例句：
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1. The engineer used a veltameremeter to measure the length of the beam.
工程师使用一个测距仪来测量梁的长度。
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2. The veltameremeter was used to check the accuracy of the measurements.
测距仪被用来检查测量的准确性。
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3. The veltameremeter was used to measure the angle between two points on the wall.
测距仪被用来测量墙上两点之间的角度。