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最初,发明无坐力火炮是为了规避炮弹发射时的能量守恒定律;现在,几被淘汰的无坐力火炮再次被启用,说明没有无用的武器,只有没用的环境成都军区某工兵团发射4枚炮弹,对阻碍唐家山堰塞湖导流明渠泄洪的礁石实施摧毁。全部准确命中目标,水流速度明显加快。在这次唐家山堰塞湖的抢险行动中,军方首次动用了火炮来清理河面漂浮物。从新闻画面中看,这次摧毁礁石的是1978年式82mm无后坐力炮,该炮于1979年设计定型,1981年批量生产装备部队,是一种营属火炮,装备到步兵营。
Initially, the invention of recoilless artillery was to evade the law of conservation of energy when the artillery was launched; now, a few staminaless artillery units that were eliminated were reopened, indicating no useless weapons and no useless environment. A corps of the Chengdu Military Region fired 4 Pieces of artillery shells to the Tangjiashan barrier Lake diversion flood discharge reef destruction implemented. All accurately hit the target, significantly speed up the water flow. In the rescue operation of the Tangjiashan dammed lake, the military first used artillery to clean the river's debris. From the picture of the news, the 1978 reef-type recoilless gun was designed to destroy the reef. The gun was designed and stereotyped in 1979, and its mass-produced equipment unit in 1981 was a battalion artillery equipped with infantry battalions.