XԇĽY(ji)Փʲôأ
ߣͬdf g[ l(f)rg19-11-28
XԇĽY(ji)Փʲô?͑тゃ֪?ɻXSҵļg(sh)ˆTvһϣ܌
1ԭˮ050 m g /L(ni),XSʼȵӶ,ɾP(gun)ϵ ;
2pHֵX@Ӱ,pHֵƫСƫr,XijЧ,ͨ^ԇ_˻XijЧ ,pHֵ57r ;
3SXͶ,X,Ч,ԇl´_˻XͶ10g/L;
4о˻XcˮĽ|rg ЧʵӰ,SXcˮ|rgL,X,Ч
ͨ^oB(ti)ԇC˻XЃ(yu)ij,һNНijüg(sh)Ŀǰć(ni)P(gun)ڻXоҪnjMԇо; MһߺƸԻXij,tǽ^m(x)ŬоĿ
X^ccվoP(gun)