IMPACT STRENGTH 冲击强度, 1 ft-lb/in, = 5.44 kg.cm/cm. 1 ft-lb/in, = 53.4 J/m. 1 kg.cm/cm, = 9.8 J/m. ENERGY 能量, 1 Cal, = 4.184 J. 1 ft-lbf, = 1.3558 J.
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