feet-per-pound ft⋅lbf Foot-Pounds of Energy foot-pound ft⋅lbf Foot-pound (energy) Foot-pound (energy) foot pounds foot pounds foot-pounds libras-pie Foot-pound (energy) Foot-pound foot-pounds foot-pounds ft⋅lbf Foot-pound (energy) pounds. foot-pounds of force Foot-pound Foot-pound (energy) feet-per-pound foot-pounds-energy 英尺·英磅 ft⋅lbf foot-pounds of force English Foot-pound (energy) foot-pounds foot pounds Foot-Pounds of Energy foot-pound