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地道战——筑起地下长城河北省保定市清苑县冉庄是开展地道战的重点地区。初期的地道是单口洞,后来把两个洞口挖通,形成双口洞或多口洞。根据对敌斗争的需要,边战边挖边改进,终于形成了一个完整的地下防御战争体系。冉庄地道一般宽0.7至0.8米.高约1至1.5米.上距地面2米多。地道以十字街为中心,顺沿东、西、南、北大街挖成4条干线地道,再由干线延伸出20多条支线,直通村外和周边几个村,形成户户相连、村村
Tunnel war - to build the underground Great Wall of Hebei Province, Qingyuan County Ranch is to carry out the key areas of tunnel warfare. The initial tunnel is a single hole, and later dug through two holes to form a double hole or hole. According to the needs of struggles against enemies, dug side to edge while improving and finally formed a complete underground defense war system. Ran Zhuang usually 0.7 to 0.8 meters wide, about 1 to 1.5 meters high above the ground more than 2 meters. The tunnel is centered on Cross Street and is dug into four main roads along the east, west, south and north streets. More than 20 branch lines extend from the main road to the villages outside and outside the village to form a connected village.