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单词
pound-force
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pound-force
(pound
′
fôrs
′
, -fōrs
′
),
USA pronunciation
n.
[
Physics.
]
Physics
a foot-pound-second unit of force, equal to the force that produces an acceleration equal to the acceleration of gravity when acting on a mass of one pound.
Abbr.:
lbf
1895–1900
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更新时间:2025/12/24 12:41:22