很简单的机械，应该不会~~~~如果有高科技含量，那就。。。呵呵

来源: 紫色海洋于 2025-08-25 05:31:51 [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.