a unit of work equal to a force of one pound moving through a distance of one foot
foot-pound详细解释
foot-pound n.Abbr. ft-lb（名词）缩写 ft-lbA unit of work equal to the work done by a force of one pound acting through a distance of one foot in the direction of the force.尺磅：功的单位。相当于一磅的力沿力的方向经过一英尺的距离所做的功
