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单词 poundal
释义
pound·al (poundl)
n.
A unit of force in the foot-pound-second system of measurement, equal to the force required to accelerate a standard one-pound mass one foot per second per second (approximately 0.138 newton).

[POUND1 + -al (as in QUINTAL).]
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更新时间:2025/3/22 6:17:58