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COD֬ л ֬
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 COD֬A-722 MP

רӦȥ COD Լлȡпƿ׾ĴǿԢӽ֬һбɫлȥĿƿ׾ģ䱾ĴԶʾԽԺͻѧȶԣʺڹ㷺PH Χں¶ʹáCODˮ30ppm£CODһ׼50ppm40g/Lҡʹ4%-8%
 

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