J-20试飞、展示用发动机均为俄发AL-31FN；这是最为安全可靠的方案；决不能摔机
ccvip_usa (2016-10-25 20:20:01) 评论 (0)
海外博客
J-20试飞、展示用发动机均为俄发AL-31FN；这是最为安全可靠的方案；决不能摔机
登录后才可评论.
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
