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| 压气爆破利用高压气体突然释放所产生的爆炸效应破煤的方法。它用于有瓦斯、煤尘爆炸危险的采煤工作面。按产生高压气体的原理有压缩空气爆破筒、二氧化碳爆破筒和水蒸气爆破筒三种 | |||
| 压气落煤 | |||
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| 压气爆破 | |||
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compressed-air blasting : 1 phrase in 1 subject |
| Technology | 1 |
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