?? ???????????????????
????:1???????wx:????????
2??????????150??
3?????????????
4????????????
5?????????????
??9?26??????? (????????????????? ?)????????????????????600??????,????????????26????????????????????????,?????
?,???????????????
???????????????,????????????,????,??,?????????
??8??????????????????????????????????????????????? ??????????,???????,??7.1??,???????,????????3??????????50%???????????????????????60%,????20%?30%,pH???
????,??????????????????40%???????????80%????????????????????????????,??????????????????60%???70%,?400???????????????????,????????????????????????????700????????????(????,????)???????800???????,??600?700???????,????3???????1560????????????,??????????????1000???????
???????????????????????????????????,??1.46????????????????????????????,??,???????????,?????????
???,??????,??????????????????????
???????,??,?????????,????????,???,????????????????????,?????,??,??????15??????????????????,???,???????
???????,???,?????,???????????????????,????(?)
???:?????????????