lightweight main armament

例句：

1. 1. The new aircraft has a lightweight main armament that makes it faster and more maneuverable.
   新型飞机拥有轻型主炮，使其更快、更灵活。
2. 2.The tank's main armament is designed to be easily concealed under the hull.
   坦克的主炮设计为易于在车体下方隐藏。
3. 3.The military is considering upgrading their main weapon system with lighter, more efficient main armament.
   军方正在考虑升级他们的主武器系统，采用更轻、更有效的轻型主炮。