| } |
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-Ծ֚ˮa(chn)ɸNنΰUļ^ïЧeɻUĺЧƷƼ
70Swc50SY(ji)D(zhun)øD(zhun)ķĶ朵ɔ_|(zh)ĺϳɶ_֚ĿͬrY(ji)ϝ_LίЧ
m YƷmڸN̶ȵļϸȾ~rˮa(chn)UȵcˮЧ@u^c@Чe[졢
ƤЧ@ƺήsʳȰY
÷1.3g/kgs2-4ppmȫ؝20ppmˎԡ0.5-1Сr
2.~5-10ppmˎԡ1-2Сr(ni)4-5g/kgs
bҎ(gu)500g/2/Ͱ25kg/Ͱ
_ʹδҊ
ͣ ˎ ڡo
A ءꎛܷ̎Ᵽ
|
| l(f)rg |
2011/8/26 11:37:00 |
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