poundal l磅达
poundal foot磅达英尺
foot poundal英尺磅达
foot-poundal呎磅达
poundal-force per square inch磅力每平方英寸
N（名词） 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)