單項(xiàng)選擇題
A.0.2B.0.25C.0.3D.0.35
A.300MPaB.400MPaC.500MPaD.600MPa
A.150B.200C.250D.300
A.5B.10C.15D.20
A.1B.2C.2.5D.3
A.80B.85C.95D.100
A.物理性能B.化學(xué)性能C.力學(xué)性能D.延伸性能
A.C20B.C25C.C30D.C40
A.0.8B.1C.1.1D.1.3
A.0.5B.0.75C.1D.1.5