1·Air leak and dust pollution in ore drawing through long pass in underground mine threaten the underground prodution safety.
地下开采矿山高溜井卸矿过程中的漏风及粉尘污染威胁矿山井下的安全生产。
2·In order to reduce sinter machine the nose airplane tail air leak rate, designed the software seal, in agglutinated in the cup carries on the experiment, the effect was remarkable.
为了降低烧结机机头机尾的漏风率,设计了软体密封,在烧结杯中进行试验,效果显著。