Yhe utility model discloses a cigarette provided with a sanitary protective structure, belonging to the cigarette field.

本实用新型公开了一种带有卫生保护结构的香烟，属于卷烟领域；

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Yhe combination of coal leap in the level of several attacks to pressure disaster events, the impact of the causes pressure, and pressure by the impact of the control measures.

结合跃进煤矿二水平发生的多次冲击地压灾害事件，分析了冲击地压发生的原因，提出了冲击地压的防治建议。

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Yhe combination of coal leap in the level of several attacks to pressure disaster events, the impact of the causes pressure, and pressure by the impact of the control measures.

结合跃进煤矿二水平发生的多次冲击地压灾害事件，分析了冲击地压发生的原因，提出了冲击地压的防治建议。

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