名词
中文翻译：水银计
同义词：
['mercury meter', 'mercury recorder']
例句：
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1.The limnigraph was used to measure the water level in the reservoir.
水银计被用来测量水库中的水位。
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2.The mercury meter showed that the temperature had dropped significantly.
水银计显示温度已经显著下降。
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3. The mercury recorder was used to document the historical events of the region.
水银记录器被用来记录该地区的历史事件。