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气垫爆破
el. air shot
tech. cushion blasting; cushion shooting
气垫爆破一种控制爆破方法： 1. 炸药与炮泥之间留有一段空气间隔,或者炮孔钻凿得远远大于所装填的药卷的直径。 2. 在炮孔底部留有一段空隙，在其上部再装填炸药
expl. cushion blastings cushion shot; cushion shooting; cushioned shot firing

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