步兵炮

起源于第一次世界大战堑壕战压制敌方重机枪的需要。按照日文直译作“狙击炮”。法军是步兵炮的开路先锋，使用三角架的37毫米1916年式TRP步兵炮最早大量投入使用。

压制重机枪的步兵炮需要良好的精度，因此通常平射。这种直射战斗模式，需要速战速决，不然会被敌方重机枪、迫击炮甚至火炮反压制，所以步兵炮必须提高射速。射程通常要在重机枪极限射程2000-2500米内对抗。

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