名词短语
中文翻译：试验坑同义词
同义词：
['test pit', 'test pitting', 'test pitting test']
例句：
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1. This method is used to test the strength of materials under extreme conditions.
这种方法用于在极端条件下测试材料的强度。
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2. The engineers conducted a series of tests on the new machine before it was put into use.
工程师们在新机器投入使用前进行了一系列的测试。
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3. The test pitting process involves drilling small holes in the material and then filling them with a liquid.
试验坑过程涉及在材料中钻小孔并用液体填充。