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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