名词
中文翻译：Unknown
同义词：
['test run', 'trial run']
例句：
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1. The engineer ran the new machine for a few hours before making any adjustments.
工程师在做出任何调整之前，对新机器进行了几次试运行。
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2. Before launching the product, they conducted a running test to ensure it works as expected.
在推出产品之前，他们进行了一次运行测试，以确保它按预期工作。
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3. After completing the test, the team decided to make some minor adjustments before finalizing the design.
完成测试后，团队决定做一些小的调整，然后再确定最终的设计。