1N/mm2 =1000000pa=1mpa70.7gpa=70.7*1000mpa=70700mpa=70700N/mm2
1MPa=1N/m^2=10^6N/mm^21G = 1000M70.7GPa = 70.7*10^3 MPa = 70.7*10^3 N/mm^2
70.7Gpa等于多少N/mm21N/mm2 =1000000pa=1mpa70.7gpa=70.7*1000mpa=70700mpa=70700N/mm2