350是三个档，中间那档medium是将every other connector调短，即把每隔一个的connector的cor

来源: iriscaihong 于 2015-08-17 15:01:16 [旧帖] [给我悄悄话] 本文已被阅读：次

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