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封堵炮泥爆破试验
tech. gallery testing of explosive
封堵炮泥爆破试验指在由爆炸室和臼炮组成的试验巷道中，装人试验用的瓦斯和煤尘，然后对炸药的安全度进行测试的一种试验方法〈包括瓦斯试验和煤尘试验〉
expl. gallery testing of explosive

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