heavy barrel meaning in Chinese

霹雳神兵
战斗武装

The xm8 is of modular construction and barrels of different lengths and weights can be interchanged to meet tactical needs , producing carbine , compact carbine , sharpshooter , and ? with a long heavy barrel , a bipod and a largecapacity magazine ? an automatic rifle
Xm8属于模块化结构，其枪管有多种不同的长度和重量可供替换以适应战术要求，生产出卡宾枪，紧凑型卡宾枪，狙击枪，以及? ?加装长枪管，两脚架和大容量弹匣的? ?自动步枪。
The tiny scratches on a bullet as it explodes down a barrel bear distinctive marks for every weapon ; experts can pinpoint which revolver or rifle fired a shot that killed . in recent years , uniformed officers have been issued with . 38 heavy barrel revolvers , a weapon better designed for self - defence against dangerous gunmen
当子弹经过枪管发生爆炸时，子弹便会刻上细小刮痕，成为个别枪械的独特记号；专家可准确地指出致命的子弹是从那一枝左轮手枪或来福枪发射的。