单选题我国饮用水标准含氟量是()A0.1ppmB0.5ppmC0.5~1.0ppmD1.0~1.5ppmE1.0ppm

单选题
我国饮用水标准含氟量是()
A

0.1ppm

B

0.5ppm

C

0.5~1.0ppm

D

1.0~1.5ppm

E

1.0ppm


参考解析

解析: 暂无解析

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