... fire prevention officer 防火官员 fire prevention principle 防火原则 fire prevention science and technology 防火科学与技术 ...
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fire prevention principle detail 防火原则
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The principle, method and demand for fire prevention technology by using injecting coal ash are expounded in this paper.
详细论述了粉煤灰注浆防灭火技术的原理、方法和技术要求。
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