aƷչʾ
ng
ԠSɫȼtɫҺwЏҵˎݚζ
ܶȣ20棩0.910~0.990
۹ʣ20棩1.490~1.530
ȣ-1°~+10°
ngngͪngϩȳɷ99.9%
aƷչʾ
ˮhȻϏS g֧֣AĻW
ֻоƷ22߲