只要尾翼设计一个角度，就能高速旋转增加稳定性和精度，但弓能量有限，不能这么做

来源: xsing 于 2020-01-17 10:48:17 [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.