1 lbf = 4.45 N 1 kp(kilopound) = 9.81 N 1 poundal = 138.3 mN 1 ton force = 9.964 kM. 力矩單位. 1 kgm = 9.807 Nm 1 ft . poundal = 0.0421 Nm 1 in lb = 0.113 Nm
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