a(chn)Ʒ飺
dFVϲÃ(yu)|(zh)Vۣʺd϶F߀ԭ(yng)ԭͨ^VʽʽMųܵ偠tѭh(hun)ˮܽg(jng)̎ˮܽ_0.05 mg/Lһr³1ˮ10gԓзϴlʵȸۻY(ji)ȱeԸ
g(sh)ָ(bio)
Ҏ(gu)1--3mm3--5mm5--8mm
w;
dFVڸN偠tܾaˮI(y)ѭh(hun)sˮҪȥˮܽĵط
ע헣
1(jng)^Fx,һ0.2 - 0.5mg/Lڟˮ偠tfԷχҎ(gu)ˮ|(zh)(bio)(zhn)偠t?q)oˮFe2+Ї(yn)ҪĽoˮfԼbFbãȥˮеFx
2dFV鲻ܽˮܛ(dng)۷eһ̶ȕrͨ^_ϴŵʹdFVϻ֏(f)ʼij
bc棺
25kg/b(ni)rϩϱĤ
^עˮMbƓpӰ푳Ч