Three transportation systems of filling slurry in deep mining are studied, namely liberty whereabouts feeding system, full pipe flow feeding system, decompressed feeding system.
研究了深井充填料浆的三个输送系统，即自由下落输送系统、满管流输送系统、减压输送系统的关键技术。
The working features of the drainage pipe under full pipe flow state was analyzed, the selection of pipe materials under full pipe flow state and the precautions for pipe installation were introduced.
对排水管道在满管流状态下的运行特性进行分析，并介绍了在满管流状态下管材的选择以及管道安装注意事项。
The working features of the drainage pipe under full pipe flow state was analyzed, the selection of pipe materials under full pipe flow state and the precautions for pipe installation were introduced.
对排水管道在满管流状态下的运行特性进行分析，并介绍了在满管流状态下管材的选择以及管道安装注意事项。
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