快门线的控制器有个卡口，不用一直按着。

来源: 梦中画于 2012-03-25 18:05:04 [博客] [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.