Large - caliber weapons, such as cannon, howitzers, and missile launchers are operated by crews.大口径武器, 如火炮, 榴弹炮, 及导弹发射器,由炮手组操作.bullets of the same caliber直径相同的子弹The gonadal arteries are generally of relatively small cali...
The helicopter rotor blade deicing technique is greatly important to ensure the flight safe - ty.直升机旋翼桨叶除冰技术对保证直升机飞行安全是十分重要的.It is best to allow the rotor to rotate freely.最好让转子自由旋转.The rotor has recesses in its three fa...
The prospect of relegation is a comedown for a club that finished second two seasons ago.对于两个赛季前排名第二的俱乐部来说，竟然有降级之虞真是太落魄了。The seasons change, independent of anyone's wishes.四季变化不受任何人约束。Thompson captained the Liverpoo...