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- leading hydraulic roof support 排头支架
- hydraulic roof supports test bed 液压支架试验台
- Discussion About Three Soft Mine Fully Mechanized Mining Working for Hydraulic Roof Support Callback Craftwork 三软煤层综采工作面液压支架回收工艺探讨
- FRAZER&JONES. Mine roof support anchors[R]. 1995. 陆士良，汤雷，扬新安.;锚杆锚固力与锚固技术[M]
- A porch or walkway with a roof supported by columns, often leading to the entrance of a building. 柱廊有由圆柱支撑房顶的门廊或走道，通常通往建筑物的入口处
- hydraulic cylinder of DBT roof support DBT支架立柱
- A porch or walkwaywith a roof supported by columns, often leading to the entrance of a building. 柱廊有由圆柱支撑房顶的门廊或走道,通常通往建筑物的入口处。
- A porch or walkway with a roof supported by columns,often leading to the entrance of a building. 没有一件事比我儿子幸能通过入学考试更使我高兴。
- Roof Support elevation, the axis displacement and cross-deflection, the measurement made by the record. 屋架支座的标高、轴线位移、跨中挠度，经测量做出记录。
- These seals are primarily used for Longwall Roof Supports. 生产的密封主要用于长壁工作面液压支架上。
- The underhand slice stoping method, with reinforced concrete for roof support, is recommended to mine narrow veins where the mining technological conditions are very complicated. 针对采矿技术条件复杂的薄矿脉开采，推荐采用有钢筋混凝土护顶的下向分层充填采矿法。
- hydraulic roof bolting equipment 液压式顶板锚栓安装设备
- Therefore,it is imperative to make more comprehensive and systematic detection with the mining areas with the suspension roof support and make the detection normalized and routinized. 因此对锚杆支护的矿区进行比较全面、系统的监测,并使监测工作走向正规化、日常化已势在必行。
- Keywords hydraulic cylinder of DBT roof support;end rust;seal;design;overhaul; DBT支架立柱;端口锈蚀;密封;设计;大修;
- ZT series of rotating flat roof mainly consist of an annular rotating flat roof, a flat roof supporting system and 2 sets of driving facilities. ZT型系列旋转平台的结构是由环形旋转平台、平台支承系统和两套驱动机构等主要部分组成。
- Some of hollywood's leading studios are interested in signing her. 好莱坞的一些主要电影制片厂有意要和她签约。
- Through the improvement,the cylinder seals of DBT roof supports are made more reasonable and has got the considerable economical benefit. 通过这种改进,使DBT液压支架立柱密封更加合理,并取得可观的经济效益。
- The man had the quality for leading the people. 那个人具备领导民众的才能。
- The broken situation of the roof supported by bolting was analysed,Belting and bolting with wire mesh was successfully tested in Jinpushan. 从分析锚杆支护巷道顶板破坏形态着手,根据锚杆作用机理,确定锚杆支护参数,并进行了钢带锚网支护试验,在晋普山煤矿取得了成功。
- The leading role is played by a complete unknown. 演主角的是一个毫无名气的演员。
