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- water drainage roadway 排水平巷
- Property: Big strength; good tenacity; erosion resistant; water drainage and light weight. 产品特性:强度高;性好;耐侵蚀;排水;质轻。
- And the process of waste water drainage and the technical condition are proposed on the experiment. 并在试验的基础上,提出了处理公司外排废水工艺流程和技术条件。
- Design storm hyetograph is the essential element for hydrologic modeling analysis and storm water drainage design. 摘要设计暴雨雨型对水文模式分析与暴雨排水设计是不可或缺的基本要素。
- The significance, task and three means of water drainage on cloverleaf-junction drainage are introduced. 介绍了立交排水的重要性、任务及立交排水三种方式,阐述了立交排水量的计算和设计原则。
- Soil water drainage and excessive grazing in pastureland of m ire and peat soils are accountable for the deterioration and quality decline of mire and peat soils. 人类疏干沼泽、过度放牧等活动是沼泽土和泥炭土退化、质量下降的主要原因。
- The structure and category of green belt and flowerbed design are presented. Also the design and calculation of their water drainage system are added. 介绍绿地、花坛的构造、排水系统的类型以及排水系统的设计计算方法。
- Non-absorbent or water drainage at the end of the causes for the stuck valve, part of the blockage of water, high water or water leakage is too high. 水泵不吸水或不排水其原因多为底阀门卡死，滤水部分淤塞，吸水高度太高或吸水漏气。
- The horsehead load of water drainage and gas production equipment about beam pump is one of the important parameters which mark its work ability. 摘要有杆泵排采设备悬点载荷是标志其工作能力的重要参数之一。
- Static horsehead load is the important basis of selecting and using correctly the water drainage and gas production equipments. 悬点静载荷是选择和正确使用排采设备的重要依据。
- It’s official name should be called The River.Miyun Reservoir to the water to do the introduction of City’s drinking water drainage manual. 它正式的名字应该叫京密引水渠.;是为了把密云水库的水引进城区做饮用水的人工渠
- Several workers were using emergency water drainage, traffic police have been on both sides of the bridge in the middle of a set curfew logo. 几名工人正在紧急用水泵排水，交警已经在桥两边中间位置设置了禁止通行标识。
- The total set of water drainage is made of stainless steel and well fitted with the basin, it is environmentally friendly, hygienic, nice looking and durable. 下水器采用优质全不锈钢特制而成，与水槽精密配合，美观耐用、保卫生、材实料。
- Assembles, installs, repairs and maintains pipes, fittings, sanitary fixtures, cold, hot and flush water system, soil, waste and rain water drainage systems. 装配、安装、修理及保养喉管、配件、洁具、冷热水及排污系统。
- The paper describes the determination of rational location of high-located gas drainage roadways in Laowuji Mine of Panjiang Coal & Electricity (Group)Company. 介绍了盘江煤电(集团)公司老屋基矿高位瓦斯抽放巷道合理位置确定的有关情况。
- Type LW pump is vertical single-stage single-suction volute centrifugal pump.It is used for circulating pump in power station and water drainage in mines, cities and farmlands. LW型泵立式单级单吸蜗壳离心泵,适用于大型火力发电厂作循环泵,也可作工矿、城市及农田建设的排水泵。
- From the analyzing of the process of production at CBM wells on the basis of hydro geologic, this paper elaborates the mechanism of water drainage and gas production at CBM wells. 从水文地质的角度分析了稳定状态和非稳定状态下煤层气井的生产过程,揭示了煤层气井生产的实质就是通过排水达到降压、采气,以地下水运移规律为指导进行排采是煤层气井持续、稳定、高产的关键。
- However, clogging of the tailings dam will bring about difficulty for water drainage to have great influence on the stability and safety of the tailings dam. 淤堵的发生会导致尾矿坝的排水不畅,从而影响其稳定性与安全性。
- The structure principle and cold prevention,heat preservation design of the water supply system,water drainage system and frozen water drainage on high speed trains are described. 介绍了高速列车的给水系统、排水系统、冷冻排水的结构原理及防寒保温设计,指出了高速列车给排水系统的发展方向。
- Specialized in manufacturing consumer electronics products such as Automatic Water Drainage System for Split-Type Air Conditioner, Video Tape Winders etc. 伍翔股份有限公司 - 生产分离式冷气自动排水器及录放机 VHS 回带机等电子系列产品。
