动词短语
中文翻译：在外部过电压上进行测试
同义词：
['test against', 'test for', 'test under']
例句：
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1.The engineer tested the new circuitry against the existing system to ensure compatibility.
工程师对新电路进行了测试，以确保与现有系统兼容。
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2. The manufacturer tested the product under extreme conditions to ensure durability.
制造商在极端条件下对产品进行了测试，以确保耐用性。
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3. The team tested the software for bugs before releasing it to the public.
团队在发布软件之前对软件进行了测试，以查找并修复bugs。