Ʒչʾ
ܲ
״ɫdzɫҺ壬ζŨ
ܶȣ20棩0.860~0.910
۹ʣ20棩1.470~1.490
ȣ-4°~-30°
ܲϩͪȳɷ99.9%
Ʒչʾ
ˮؽȻϳ ֧֣Ļ