A.2 B.3 C.4 D.5
A.≤0.10MPa B.≥0.10MPa C.≤0.20MPa D.≥0.20MPa
A.≤0.0609W/(m·k) B.≤0.070W/(m·k) C.≤0.085W/(m·k) D.≤0.100W/(m·k)