Get out some conclusion by researching the compound roof separation process and mechanism of preparation roadway under high horizon stress.
通过对高水平应力条件下采区准备巷道复合顶板的离层过程和机理进行研究，得出了相关结论。Analyses To explore the minor faults in coal mine by the seismic reflective wave method must be started at the field work method.
论述了用地震反射波法探测煤矿采区小断层，必须从野外工作方法做起；The aim of seismic exploration in a panel is to ascertain the minor faults and folds, the subtle geological structures in coal measures.
采区地震勘探是以查明煤系地层小断层、小褶曲细微地质构造为目标。Practices prove that injecting water to coal seam is an effective method, advanced ways and experiences are provided for other mining area.
实践证明：是煤层注水是一种行之有效的方法，为其他采区的综放工作提供了先进的方式和经验。Nine division belt machine adopt middle pilot tunnel descend storied lamination construct method, transect construction ensure security.
九采区胶带输送机皮带机头硐室刷扩，采用中央导硐下行分层的施工方法，大断面施工保证了安全。Eraluating the mined out area is one of effective and dependable ways for exploring placer gold.
指出以过采区为依据寻找砂金矿可靠性大，风险度小，是行之有效的途径之一。Meanwhile, the 330 underground mine roadway shoulder the entire burden of the Northwest District in transportation, enhance the capacity.
同时，330巷道担负着该矿井下整个西北采区的运输重担，提升量大。While conveying the coal slope roadway in coal mine well, hydraulic draw work has become the main equipment conveyance including person.
在煤矿井下采区倾斜巷道运输中，液压绞车已成为一种包含运人的主要运输设备。Go down, the Lee method to signing his column to the information station, walk north wing mining area.
下井后，李法柱到信息站签完到，向北翼采区走去。