poundal-force per square inch 磅力每平方英寸
foot-poundal 呎磅达
poundal foot 磅达英尺
poundal l 磅达
foot poundal 英尺磅达
N the fps unit of force; the force that imparts an acceleration of 1 foot per second per second to a mass of 1 pound. 1 poundal is equivalent to 0.1382 newton or 1.382 × 104 dynes 磅达 ( abbr: pdl)
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