游隙某一特定火器枪弹的直径与火器镗孔的直径之间的差异

游隙某一特定火器枪弹的直径与火器镗孔的直径之间的差异的英文翻译

基本释义

• The difference in a given firearm between the diameter of the projectile fired and the diameter of the bore of the firearm.