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单词
foot-ton
释义
WordReference Random House Unabridged Dictionary of American English © 2024
foot-ton
(fŏŏt
′
tun
′
),
USA pronunciation
n.
[
Physics.
]
a foot-pound-second unit of work or energy, equivalent to 2240 foot-pounds and equal to the energy expended in raising a ton of 2240 pounds a distance of one foot against the force of gravity.
1865–70
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更新时间:2025/7/31 12:00:01