日本帝国主义对抗日根据地实行封锁,封锁的方法主要是设立封锁线。封锁线以铁路、公路、河流和一些特殊地形为主线,在主线两侧建立碉堡群、封锁沟、封锁墙和铁丝网等。在组织方面,建立所谓乡村自治的伪组织,实施强化治安,企图把根据地困死。从这个根据地到另一个根据地,必须通 The Japanese imperialists imposed a blockade against the Japanese base areas. The main method of blockade is the establishment of a blockade line. Blockade lines to railways, highways, rivers and some special terrain as the main line, the main line on both sides of the establishment of bunker group, blockade ditch, blockade walls and barbed wire. In the area of ​​organization, the so-called village self-government pseudo-organization was established, and the law and order was strengthened so as to destabilize the base areas. From this base to another base, we must pass