他对机床的认识还停留在上世纪70年代

来源: 通州河于 2021-04-22 20:14:16 [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.