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单词
horsepower-hour
释义
WordReference Random House Unabridged Dictionary of American English © 2024
horse•pow•er-hour
(hôrs
′
pou′ər ou
ə
r′, -ou′ər),
USA pronunciation
n.
Energy, Mechanics
a foot-pound-second unit of energy or work, equal to the work done by a mechanism with a power output of one horsepower over a period of one hour.
1895–1900
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更新时间:2025/9/21 17:06:21