单词 | mercury barometer |
例句 | A mercury barometer is a device that measures atmospheric pressure. College Physics for AP Courses 2015-08-12T00:00:00Z For this purpose, however, a barometer is used that is more easily carried than a mercury barometer. The Story of Great Inventions 2011-10-05T02:00:16.353Z Again, mercury barometers have been attached to pendulums. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" If we take a mercury barometer up a hill we will observe that the mercury falls. The Mastery of the Air He had two mercury barometers exactly alike set up at the foot of a mountain. The Story of Great Inventions 2011-10-05T02:00:16.353Z |
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