percussionn.碰撞;打击乐器;[医]叩诊
percussion table碰撞式摇床
percussion feeder冲击型进料器
percussion pistol碰撞引信
percussion boring撞钻,冲击钻探,冲击式钻进
percussion primer碰炸起爆药包
percussion rhythm打击节奏
percussion-note叩(诊)音
percussion piston撞击活塞
percussion bullet爆破枪弹
percussion sounds叩诊音