This large fireplace can produce 45, 000 BTU adjustable heat.
這款大型壁爐可產(chǎn)生45, 000btu的可調(diào)節(jié)熱量.
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He is already the general engineer of this low BTU water gas project.
他已經(jīng)是這個低熱水煤氣工程的總工程師了.
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英英釋義
Noun
1. a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories
