A zero-install roll Angle of the wrap around fins projectile still has roll moment at zero Angle of attack.

卷弧翼与弹身扣合较好，在零攻角下会产生滚转力矩。

youdao

A zero-install roll Angle of the wrap around fins projectile still has roll moment at zero Angle of attack.

卷弧翼与弹身扣合较好，在零攻角下会产生滚转力矩。

youdao