aƷչʾ
¹~
ԠSɫҺw
ܶȣ20棩0.900~0.950
۹ʣ20棩1.460~1.480
ȣ-2°40’~ +4°40’
¹ϩӡȳɷ99.9%
aƷչʾ
ˮhȻϏS g֧֣AĻW
ֻоƷ22߲