单项选择题
A.1.5m3B.3m3C.5m3D.2m3
A.电导0.3μs/cm,SiO230μg/LB.电导0.2μs/cm,SiO220μg/LC.电导≤0.3μs/cm,SiO2≤30μg/LD.电导≤0.2μs/cm,SiO2≤20μg/L
A.90℃,48℃B.95℃,48℃C.90℃,45℃D.100℃,48℃