It can be easily smashed if each advancing enemy column consists of only one unit,whether big or small,has no follow-up units and is unable to station troops along the route of advance,construct blockhouses or build motor roads.

• 在敌数路前进，但每路只有一个或大或小的部队，没有后续部队，不能沿途配置兵力、构筑堡垒、修筑汽车路的情况之下，这种围攻是容易打破的。