This large fireplace can produce 45, 000 BTU adjustable heat.
这款大型壁炉可产生45, 000btu的可调节热量.
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He is already the general engineer of this low BTU water gas project.
他已经是这个低热水煤气工程的总工程师了.
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英英释义
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