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单词 centigrade heat unit
释义 centigrade heat unit
[`sent·ǝ´grād `hēt ´yü·nǝt]
THERMODYNAMICS
A unit of heat energy, equal to 0.01 of the quantity of heat needed to raise 1 pound of air-free water from 0 to 100°C at a constant pressure of 1 standard atmosphere; equal to 1900.44 joules. Symbolized CHU; (more correctly) CHUmean.
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