名词
中文翻译：跌落计
同义词：
['drop tester', 'drop hammer tester', 'drop hammer apparatus']
例句：
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1. The engineer used the fall-off meter to measure the impact strength of the material.
工程师使用跌落计来测量材料的抗冲击强度。
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2.During the testing process, the fall-off meter recorded the data for further analysis.
在测试过程中，跌落计记录了数据以便进一步分析。
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3. The fall-off meter was a crucial tool in ensuring the quality of the product before it was shipped.
跌落计是确保产品在发货前质量的关键工具。