??“?????”?? 10??5000????“?????”

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?,????……?????????????????7??,?????,??2.4????????????35.8?????????????1000????????????,??????????88??“??????”????,????????“???????????”?

????,????2019??,???“?????????????”,????????,??“???????????”????????????“??”?????

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????“???????????”,????????,?????????????????????????????????“????”?

???,??????,???“??”??,???????????????????????????????????????10??????????5000??“??????????????????????”,????????,?????????

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??????,“????????????”??????????,???????????????????????????,“????????”???,??“??????????”,??????????,????,??????????????pH??(??????)???????,“????????”???,?“??????”?

??????,????????????????????,“?????”????,???????????????123??????,?5?64??????????,?????????,?????,????????????????,“??????????”?????5???,??500??

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??????,??????100????????????????«??(LY/T 2737-2016)»,??,?????????500??;???????????,???????300-499???????????;????????,???????????????????100-299?????

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