[填空题]
What is the specific h5-5p gtg jvtx8elkpj) ee;ty)6))rdi ; u;g f xnjqvh22at of a metal substance if 135 kJ of heat is needed to raise 5.1 kg of ihlr tq)jy gn;u2;)p2) k6ee v ;djxf)the metal from 18.0$^{\circ}C $ to 31.5$^{\circ} C$ ? $J/kg\cdot\,C^{\circ} $
