哦，那就是说不太可能是sole source，是要谨慎。谢谢解惑。

来源: rain01 于 2026-03-02 12:53:12 [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.