????: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?????

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