Thermal ablation wear is a key factor in deciding the life of a rapid-fire-gun barrel.
A gun barrel was made of this new "chromium steel" but the first shot fired through it broke it into a dozen pieces.
But then the crowd began cheering and putting flowers into the gun barrels of the tanks.
This very short " gun barrel" will help reduce dispersion.
Then there were the hammering explosions past his ears and the gun barrel hot against his shoulder.
Border Region leaders, when I was there, were debating whether to change the size of their gun barrel to meet their shells or to change the shells to fit the guns.
The erosion and wear of gun barrel can reduce the gun barrel erosion life and restrict the gun development.
In French the word rifler meant to "scratch" and that's why the grooves inside a gun barrel are called rifling.
In 1635 the word rifle appeared in English in a patent for cutting these grooves in gun barrels.
Then every technology was studied according to the structure and principle of gun barrel. In the end, a suitable method to extend the erosion life of gun barrel was propose…
Rust had eaten out the gun barrel.
The imaging quality of CCD camera for the inner bore of a gun barrel has been improved. The luminance, uniformity, color and sharpness of image have attained a good effect.
The deep thud of a 155-millimeter howitzer echoes off the mountains as what looks like an artillery shell speeds from the gun barrel.
Each thumb controls one of your two gun barrels, and they can be aimed independently.
Place infantry fighting vehicle on even ground to make gun barrel in a horizontal position;
By the sphere centre, elevation Angle and azimuth Angle of the gun barrel are obtained.
國文精選館
