gun muzzle造句怎麼寫

Special gun muzzle, rough nail hardened design, powerful explosive force, low recoil, most important super version series, firing pin under special treatment, various design, made as per the principle of car suspension, above 5 folds more durable than common nail gun.

Armed police soldiers immediately stared at the sound, and bullets rushed into the gun chamber, followed by a strong beam of light on the roof, the shadow was surrounded by light and gun muzzle.

A new method to measure gun muzzle smoke is adopt to investigate the influence of some gun propellant deterrents.

The reliability in bullet flying is evaluated by the expectation of success probability of flying bullet after it flies away from the gun muzzle. This is a method as an evaluation oft...