Xԇ(yn)ĽY(ji)Փʲô?
ߣͬdf g[ l(f)r(sh)g18-12-28
Xԇ(yn)ĽY(ji)Փʲô?͑тゃ֪?ɻXSҵļg(sh)ˆTvһ£ϣ܌
1ԭˮ050 m g /L(ni),XSʼȵӶ,ɾP(gun)ϵ ;
2pHֵX@Ӱ,(dng)pHֵƫСƫr(sh),XijЧ,ͨ^ԇ(yn)_˻XijЧ ,pHֵ57r(sh) ;
3SXͶ,X,Ч,ԇ(yn)l´_˻XͶ10g/L;
4о˻XcˮĽ|r(sh)g ЧʵӰ,SXcˮ|r(sh)gL,X,Ч
ͨ^oB(ti)ԇ(yn)(yn)C˻XЃ(yu)ij,һNНij(sh)üg(sh)Ŀǰć(ni)P(gun)ڻXоҪnjM(jn)ԇ(yn)о; M(jn)һߺƸԻXij,tǽ^m(x)ŬоĿ(bio)
X^c(din)cվoP(gun)