Armament was fairly poor, consisting of two machine guns mounted in the nose cowling, one of 0.30 inch caliber and the other of 0.50 inch.是什么意思_Armament was fairly poor, consisting of two machine guns mounted in the nose cowling, one of 0.30 inch caliber and the other of 0.50 inch.在线翻译_英语_读音_用法_例句