A simalified model of temperature distribution for a tank gun barrel under the radiation, convection and shooting conditions was formed.
应用有限元离散结构建立了具有太阳辐射、对流及射击过程对坦克炮管影响温度场的简化模型 ,对仅受太阳辐射以及太阳辐射与发射过程相耦合的炮管温度场进行了计算 ,求得炮管径向和轴向的温度—时间曲线 ,并分析了炮管外表面温度的变化规律。
Axis Straightness of gun barrel directly influences sending precision and hitting precision.
炮管的轴线直线度对炮弹的发射精度和命中精度的影响无疑是直接的，而目前国内一些工厂车间使用的检测方法精度低，效率低，性能无法保障。
Aerial inner ballistics in the forcing period mainly studies the moving resistance of bullet forced into chamber,which have a great significance to do with study and maintenances of barrel natural life,ballistic maintenances of barrel in the firing period,intension calculating of barrel and bullet and bullet firing precision as well.
挤进时期的航空内弹道学是研究导带嵌入炮膛时弹丸运动的阻力,它对炮管寿命的研究和保障、射击时炮管的弹道保障、炮管和弹丸本身强度的计算以及弹丸射击密集度都具有重要的影响。
decoppering cleaning agent for gun barrel
火炮炮管除铜擦拭剂
The shell exploded in the barrel of the gun.
炮弹在炮管内爆炸了。
The part of a firearm behind the barrel.
炮尾武器的枪炮炮管后面的部分
A cannon with a long barrel and a relatively low angle of fire.
大炮有一长炮管及相对较低的射角的大炮
Mounted on a large wheeled chassis and featuring a longer improved barrel, the cannon was far superior to the bombards that preceded it.
装备了巨大的轮子底盘和加长炮管，加农炮远远超过它的前辈臼炮。
A mortar team consists of as many people as is necessary to carry the mortar tube, base plate, traversing &elevating mechanism, and ammunition.
迫击炮组人员构成视需而定，主要进行搬运炮管、底座、炮架和瞄准具及炮弹。
"We firmly attack the non-turret principle, the single turret principle and the single-turret &multi-artillery tube revisionism!"
"我们坚决打击无炮塔主义者、单炮塔主义者和单炮塔多炮管修正主义者！"
the cutting of spiral grooves on the inside of the barrel of a firearm.
在枪炮管内侧切凿出螺旋形的凹槽。
The flame temperature is lower, thus giving a longer barrel life.
火焰温度较低，因而可使炮管寿命较长。
Gunfire was of no use now.
枪炮已经不管用了，
Five men in a twin-forty mount had been hit.
双管四十毫米火炮装置上的五名炮手被打中了。
Martello you call it?
你们管它叫作圆形炮塔吧?
an automatic double-barreled antiaircraft gun.
一种自动化的双管高射炮。
Even if he can start handing out loans, this finance trust of his is still nothing but a hoax!
尽管他当真要放款，那托辣斯还是空炮！
THE NATURAL CHARACTER ANALYSIS OF CANNON LONGITUDINAL VIBRATION
加农炮身管纵向振动的固有特征分析
Artillery Regiment s Equipment Management Information System Based on .NET;
基于.NET的炮兵团装备管理信息系统
Research of Compesitive Detection Technology about the Barrel Pipe's Parameter
火炮身管内膛参数综合检测技术研究
Method on Check Twist Angle of Uniform Twist Rifling
火炮身管等齐膛线缠角检测方法研究