名词
中文翻译：试管夹持器
同义词：
['test tube clamp', 'test tube holder']
例句：
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1.This test-tube holder is designed to hold the glass tubes securely.
这个试管夹持器设计用来稳固地固定玻璃管。
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2.The scientist used a test-tube holder to transfer the sample without contaminating it.
科学家使用试管夹持器来转移样品，避免污染。
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3. During the experiment, the test-tube holder was essential for maintaining the stability of the apparatus.
实验过程中，试管夹持器对于保持设备的稳定性至关重要。