} |
ˮƽ |
a(chn)أ |
|
˜ʣ |
Їˎ |
Ҏ(gu) |
t(y)ˎ |
r |
150-500 |
Jλ |
|
a(chn)ƷB |
ˮƽ
ˮƽ
(10%)(20%)(70%)
Ʒtɫĩ
ˎáVVˎG+ԾG-Ծ֚ãˮa(chn)ɸNنΰUļ^ïЧeɻUĺЧƷƼ
70Swc50SY(ji)ϣD(zhun)øD(zhun)ķĶ朵죻ɔ_|(zh)ĺϳɶ_֚ĿͬrY(ji)ϝ_LίЧ
m YƷmڸN̶ȵļϸȾ~rˮa(chn)UȵcסˮЧ@u^c@Чe[
ƤЧ@ƺήsʳȰY
÷1.3g/kgs2-4ppmȫ؝20ppmˎԡ0.5-1Сr
2.~5-10ppmˎԡ1-2Сr(ni)4-5g/kgsϡ
bҎ(gu)500g/2/Ͱ25kg/Ͱ
_ʹδҊ
ͣ ˎ ڡo
A ءꎛܷ̎Ᵽ
|
l(f)rg |
2011/8/26 11:37:00 |
|