The ACR "rifles" used smoothbore barrels to fire single or multiple flechette per round, rather than bullets, to provide long range, flat trajectory, and armor piercing abilities.
炮弹（抛射
）必须拥有稳定
外形，比如带尾翼箭
球体，以此减小发射时震动。
The ACR "rifles" used smoothbore barrels to fire single or multiple flechette per round, rather than bullets, to provide long range, flat trajectory, and armor piercing abilities.
炮弹（抛射）必须拥有稳定外形，比如带尾翼箭球体，以此减小发射时震动。
声明：以上例句、词
均由互联网资源自动生成，部未经过人工审核，其表达内容亦不代表本软件观点；若发现问题，欢迎向我们指正。
