With cargo projectile by the world , serious problem of unexploded ordnance arisen.子母弹药的应用与发展带来了严重的未爆弹药问题.Have you altered the plans of the projectile as the telegram suggests?你已经按照电报的要求修改炮弹图样了 吗 ?The path followed by a ...
Have you altered the plans of the projectile as the telegram suggests?你已经按照电报的要求修改炮弹图样了 吗 ?It cut the water like a gigantic and keen projectile.它象颗巨大锐利的子弹飞快地在水中穿行.The path followed by a projectile is called its trajector...