我国饮用水标准含氟量是A、0.1ppmB、0.5ppmC、0.5~1.0ppmD、1.0~1.5ppmE、1.0ppm

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


相关考题:

我国现行水质标准氟浓度为A、0.1~0.4ppmB、0.01~0.05ppmC、0.5~1.0ppmD、1.1~2.0ppmE、>2ppm

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我国饮用水标准含氟量是( )

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我国饮用水标准含氟量是A.0.5~1.0ppmB.2.0ppmC.1.5ppmD.0.5ppmE.0.1ppm

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