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| NB/T 11446-2023 Technical requirements of mining roadway by roadway with continuous backfilling in coal mine (English Version) |
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Detail of NB/T 11446-2023
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Introduction of NB/T 11446-2023
本文件规定了煤矿连采连充技术的一般要求、系统布置、设备构成、工艺流程、监测内容。
本文件适用于采用连采连充技术的煤矿。
Contents of NB/T 11446-2023