单词 | Torricellian vacuum |
释义 | Torricellian vacuum [¦tȯr·ǝ¦chel·ē·ǝn `vak·yǝm] FLUID MECHANICS The space enclosed above a column of mercury when a tube, closed at one end, is filled with mercury and then placed, open end downward, in a well of mercury; this space is evacuated except for mercury vapor. |
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