名词
中文翻译：阀门检查器
同义词：
['valve tester', 'valve inspector']
例句：
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1. The valve checker is used to ensure that the valves are properly functioning.
阀门检查器用于确保阀门正常工作。
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2. The valve checker was used to identify any potential issues with the valves.
阀门检查器被用来识别阀门的潜在问题。
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3. The valve checker was used to perform regular maintenance on the valves.
阀门检查器用于对阀门进行定期维护。