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浮游煤尘指巷道内浮游状态的煤尘，遇火焰可能发生爆炸。在这种情况下，应采用高压注水爆破等特殊爆破法0
expl. suspended coal dust
浮游煤尘指巷道内浮游状态的煤尘，遇火焰可能发生爆炸。在这种情况下,应采用高压注水爆破等特殊爆破法。参见 suspended coal dust
expl. flue coat dust

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