可能是良率很低，需要不断改进以提高良率。

来源: 保深于 2025-03-30 12:56:22 [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.

可能是良率很低， 需要不断改进以提高良率。