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响墩是一种在铁路上使用的,是一种黑色的炸药。响墩是内装炸药的薄铁扁圆盒,
使用时,应该在钢轨顶面上,用他的外壳上的铁片紧紧的扣在钢轨的头部下颏,从而防止脱落,携带时应该安装在特制的布袋或者是原盒中,避免相互碰撞而发生的爆炸。
当天气不好时,指示灯无法辨识或者是看见,就用响墩在火车前进的方向的左侧钢轨上放置2个,另一条钢轨上放置1个,构成投影距离为20米的等腰三角形,放置时必须吸牢。当火车从响墩上压过去时,通过响声提醒火车前方有危险,必须停车。这时以前的老方法,现在通讯发达了,指示灯可以看见或者是辨别,但是铁路局并没有停止生产。
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