gunnern.炮手;枪手
Gunner Skills Test炮手技术测试
gunner-commander炮手指挥员
gunnery regulations射击条例
Gunnery School Ship射击训练船
Gunner Aiming Error炮手瞄准误差
Gunnery Staff Course参谋射击课程
Gunner's Mate Turret根切量
gunner rs compartment射击员舱
Gunner's Control Unit沉切量
Gunner's Primary Sight底切式钻井工具