Couple charge and uncouple charge are the two forms of structure of bore charge, the latter often applies air-uncouple and water-uncouple forms.

• 摘要炮孔装药结构分为耦合装药和不耦合装药，后者因不耦合介质不同由可分多种不耦合装药形式，较常用的是空气不耦合装药和水不耦合装药。