manometer
柯林斯詞典
1. N an instrument for comparing pressures; typically a glass U-tube containing mercury, in which pressure is indicated by the difference in levels in the two arms of the tube U型琯測(cè)壓計(jì)
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1. N an instrument for comparing pressures; typically a glass U-tube containing mercury, in which pressure is indicated by the difference in levels in the two arms of the tube U型琯測(cè)壓計(jì)