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钻地武器是指携带钻地弹头(又称侵彻战斗部),用于对机场跑道、地面加固目标及地下设施进行攻击的对地攻击弹药,其一般由载体和侵彻战斗部组成。载体一般为巡航导弹弹体、航空炸弹弹体及火箭,甚至洲际弹道导弹等,其运载功能是使侵彻战斗部命中目标,并在末段达到足够的速度。侵彻战斗部由内侵彻弹头、高爆装药和引信组成,侵彻头一般为高强度钢或重金属合金材料,采用破片杀伤方式,引信通常为延时近炸引信或智能引信。侵彻战斗部一般采用大长径比,因武器携载能力限制,其直径一般不超过50厘米。此外,为进行精确打击,弹上还装有控制、导引系统。
Ground-penetrating weapons are ground-attack ammunition carrying ground-borne warheads (also known as penetration warheads) for attacking airport runways, ground reinforcement targets and underground facilities and are generally composed of a carrier and an infiltration warhead. Carriers are generally cruise missile projectiles, aircraft bombs and rockets, and even ICBMs. Their carrying function is to hit the warhead and achieve sufficient speed in the final stage. Invaded the warhead from penetrating warheads, high-explosive charge and fuze composition, penetrating the first general high-strength steel or heavy metal alloy material, the use of fragmentation mode, the fuse is usually delayed close-fuse or smart fuze. Penetration warhead generally use a large aspect ratio, due to the carrying capacity of weapons, the diameter of not more than 50 cm. In addition, for precision strike, the bomb is also equipped with control and guidance system.