动词短语
中文翻译：Unknown
同义词：
['trial run', 'trial test', 'pilotrun']
例句：
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1. Before launchingthe new product, we conducted a testrun to ensure its functionality.
在推出新产品之前，我们进行了一次测试运行以确保其功能正常。
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2. The engineers conducted atrial test on the new machine before finalizing it for production.
工程师们在最终确定生产新机器之前，对新机器进行了试验测试。
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3. The pilot run of thenew software was successful, and they arenow ready to roll out the full version.
新软件的试运行成功，现在他们准备推出完整版本。