why INS=200/M?

來源: beachlver 於 2012-10-12 10:59:38 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

sounds very high.

Other factors are not bad.

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.