怕别人偷技术偷思路，当年军事领先各国太多，自己又不需要装备那么多，这个没办法

来源: 风过之无痕于 2022-10-28 11:50:58 [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.