?? > ???? > ??

??“??”???? 10?????5000??“?????”

????:2024-07-27 05:02:41 ??:????

????:?????????:??????

??????????,???????????……??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?????

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

????

  • ????
  • ????