赛车万能码买法简介:Casting the projectile is not difficult. The key is to encapsulate it after loading the gunpowder, especially leaving a small hole plug for the fuse. How to ensure the sealing of the grenade is a severe test for the craftsmen.
Casting the projectile is not difficult. The key is to encapsulate it after loading the gunpowder, especially leaving a small hole plug for the fuse. How to ensure the sealing of the grenade is a severe test for the craftsmen.