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单词 mercury barometer
释义

mercury barometer in American English

noun
a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure
Also called: mercurial barometer Compare aneroid barometer
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更新时间:2024/11/14 15:36:43