5个数字3个一组有多少种组合方法简介：The six black barrels rotated, and the bullets rotated and impacted like screws, and they were all in a straight line, without any deviation from the trajectory. Even the recoil was minimal and completely negligible.
The six black barrels rotated, and the bullets rotated and impacted like screws, and they were all in a straight line, without any deviation from the trajectory. Even the recoil was minimal and completely negligible.
