一共仨开关，灰色和紫色是开关1，红色和灰色是开关2，新换的是开关3？

来源: 500miles 于 2020-10-13 08:47:13 [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.

一共仨开关，灰色和紫色是开关1，红色和灰色是开关2， 新换的是开关3？