名词
中文翻译：链式测汞仪
同义词：
['chain gravimetric balance', 'chain gravimetric balance instrument']
例句：
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1. Thechain hydrometer was used to measure the weight of gold bars.
链式测汞仪被用来测量金条的重量。
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2.The chain hydrometer was used to determine the purity of the gold.
链式测汞仪被用来测定黄金的纯度。
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3.The chain hydrometer was used to check the accuracy of the weighing scales.
链式测汞仪被用来检查称重秤的准确性。