名词短语
中文翻译：旋转粘度计真空计
同义词：
['rotating viscometer', 'rotating viscometer vacuum gauge']
例句：
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1. The rotating viscometer was used to measure the viscosity of the liquid.
使用旋转粘度计来测量液体的黏度。
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2.The vacuum gauge in the vacuum cleaner is essential for maintaining a clean environment.
吸尘器中的真空表对于保持清洁环境至关重要。
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3. The rotating viscometer is a valuable tool for analyzing fluids and their properties.
旋转粘度计是分析流体及其性质的一种宝贵工具。