问题
单项选择题
铝合金浅花纹板对白光反射率达( ),热反射率达( )。
A.55%~80%,65%~85%
B.65%~80%,75%~85%
C.75%~80%,85%~90%
D.75%~90%,85%~95%
答案
参考答案:D
铝合金浅花纹板对白光反射率达( ),热反射率达( )。
A.55%~80%,65%~85%
B.65%~80%,75%~85%
C.75%~80%,85%~90%
D.75%~90%,85%~95%
参考答案:D