强调了作为储备仓的筒库，安装多功能减压管和配备通风、密闭、熏蒸、检测等设施的必要性。
The necessity of installing decompress duct with polyfunction and ventilation. seal. fumigation and inspection equipment was stressed.
密闭是煤矿井下一道非常重要的设施，及时准确地掌握密闭内各参数的变化对安全生产有着重要的意义。
Airtight structure is a very important facility in coal mines. It is of great significance to learn changes in parameters at sealed area timely and accurately for safety in production.
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