8w and 12w have similar life style, but 12w and 25w are very dif

来源: 2014-12-30 22:46:40 [旧帖] [给我悄悄话] 本文已被阅读:

should be grouped as 8W to 16W, and 16W to 25W, or 8W to 15W and 15w to 25W.