年复一年,世界各国的军备研究部门都在不遗余力地研究开发各种各样的器材设备来克服战场上的障碍,这些障碍包括天然及人挖的沟堑、坦克陷阱、反坦克地雷以及反步兵地雷等等。人们发明了多种方法,设计了多种装置。有使用像狼牙棒似的滚筒设备的,这种设备像压路机一样从地雷阵上开过去以触发地雷;有利用炸药、炮弹来引爆地雷的:遇见沟渠则需架设临时桥梁……这些方法虽然各有 Year after year, the arms research departments of all countries in the world are sparing no effort in researching and developing a wide range of equipment and equipment to overcome the obstacles on the battlefield. These include natural and man-dug ditches, tank traps, anti-tank mines and anti- Infantry mines and more. Many people invented a variety of methods, designed a variety of devices. The use of a roller-like device like a malletal bar, which opens like a road roller from a minefield array to trigger mines; uses explosives and artillery shells to detonate mines: temporary bridges are required to meet ditches ... These methods, though Each have