极大地改善工作面的灭尘效果，改善劳动环境，为防。
It improves dust effect and working environment. It provides assure for explosion proof coal dust.
介绍了煤尘产生的原因，ZPW型灭尘装置的组成及工作原理。
This paper introduces coal dust producing reason, ZPW type coal dust prevention device structure and working principle.
分析了流体力学在采掘机械中灭尘及液压系统、通风机械、选矿机械，尤其是在新型选矿机械中的应用。
Analyzed the application of hydrodynamics at the fields of removing of dust in excavate machine, hydraulic system, fanner machine, concentrator machine, especially the use in new concentrator machine.
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