Ʒչʾ
β
״ɫҺ壬β
ܶȣ20棩0.910~0.935
۹ʣ20棩1.4650~1.4850
ȣ+16°~+25°
ͪҶصȳɷ99.9%
Ʒչʾ
ˮؽȻϳ ֧֣Ļ