????:1????????:???????

2???????

3???????????

4?????????

5???????????

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

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

“??”?????????“???”

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

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

????????????B??????????????X??????????,???????

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

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

??????“??????”

????,?????9450?????????,????,???????????,????????????

???䢺?????2000?,?“????????”?;???,????????1900??????????,???;??????????????,??????,??????“????????????????”???????

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

????????,????“???????????”??????????“????”??“??????????”??????,??????????????????????????????,??????????????,???????????,?????????????????????3????????,??450???????????

????-?????? ???????? 

????????

??????

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

??,???????????????????????????????????????,?????????????? ???:??