British thermal unit
短语[医] 英制热量单位(1B.T.U=252.00cal)
词形变化
British thermal units
复数
British thermal units
别名
BTU
释义与例句
n.
-
1.
A unit of energy that is equivalent to the quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at a particular temperature (there are several different precise definitions) and a pressure of one atmosphere.
英热单位