This kind of valve is comprised of piston assembly, spring, valve plate assembly and center pipe.
这种阀主要由活塞总成、弹簧、阀板总成及中心管等组成。
The center pipe is machined from 64mm tubing, and the sand filter is made from silica sand, cement, additive.
滤砂器是根据不同技术标准筛选不同粒度的石英砂、油井水泥、添加剂和水按配比加工压制的。
After the No. 3 and No. 4 Shayang brine wells repaired, the center pipe had been blocked in the process of brine mining.
针对沙盐三井、沙盐四井的首采层修复后，在多次安装采卤树试采卤的过程中，均造成井下中心管堵管或环空堵塞。
When the control valve at the end of center pipe was widely open, the pipe failure was mainly caused by high-temperature oxidation.
当中心管末端调节阀开大时，中心管损坏原因主要为高温氧化；
Through understanding the principles of water strike, this paper advanced an effect measure to control the water strike to destroy valve and center pipe.
通过对水击规律的认识，提出控制水击压力破坏阀门、中心管的具体措施和有效方法。
Choosing Henan Press Center as case, the application of prestressed anchorage pipe in pit retaining structures is discussed.
以河南新闻培训中心为例，介绍预应力锚管在基坑围护中的应用。
The effect in the vicinity of the exciting electrode and detecting electrode is greater than that of the center of the pipe.
离散相介质的存在对激励电极和测量电极附近区域灵敏场的影响比较大，对管道中心区域的影响则比较小。
Liquid velocity is near zero at the pipe wall and increases to maximum at the pipe center.
在管壁处液体速度近似为零，并在管中心处达到最大。
The liquid in the center of the pipe starts flowing first, and as velocity increases liquid near the pipe wall moves also but at a lower rate.
在管子中心部分的液体首先开始流动，随速度增加贴近管壁的液体也开始流动，但流速较低。
Broken pipes adopt a hacksaw or a saw without teeth. The size of pipe needing to cut should be exact. Put pipes on the center of pressure jaw, and keep fractures even.
断管采用钢锯或无齿锯，需断切的管子尺寸准确，将管子置于压力钳口中心卡紧，断口平齐。
With the upstream water level reducing and the downstream water level increasing, the highest tangent velocity also moving to the pipe center.
随上游水位的降低及下游水位的升高，切向流速最大值点也不断向管中心一侧移动。
The main stadium in Guiyang Olympic Sports Center was composed of hyperboloid and spatial pipe truss structure. The complicated structure had high accuracy requirement and was difficult to measure.
贵阳奥体中心主体育场钢罩篷由双曲面空间管桁架结构组成，结构复杂，精度要求高，测量难度大。
Shenzhen Norde Center Mansion is a super-high-rise building where reinforced concrete steel pipe column is used as frame post in under floor 15.
深圳诺德中心大厦为超高层建筑，其15层以下框架柱采用钢筋混凝土钢管组合柱。
Under normal circumstances, concrete pumping pipe center at columnar fluid flow status was suspended.
正常情况下，混凝土在泵送管道中心形成柱状流体，呈。
With the swirl decays along the tunnel the highest point moving to the pipe center;
随旋流强度沿程的衰减最大值点不断向管中心移动；
The steel roofing of Qingdao International Sailboat Center for 2008 Olympic Games is shaped as quarter arc, which is made of H-beam and pipe column.
青岛国际帆船中心是2008年奥运会帆船帆板比赛场地之一，其媒体中心钢屋面结构比较特殊，单榀平面结构为圆弧形h型钢梁和圆管柱铰接而成。
The steel roof of Tsingdao international sailboat center for 2008 Olympic Games is so special that its shape is of an arc, which is made up of H-beam and pipe column.
青岛国际帆船中心是2008年奥运会帆船帆板比赛用场地之一，其钢屋面结构比较特殊，单榀平面结构为圆弧形H型钢梁和圆管柱铰接而成。
The design of quality inspection center for key products used in steam pipe network is introduced.
介绍了蒸汽管网关键产品(疏水阀、减压阀、温控阀、凝结水回收泵等)质量检测中心的设计。
The raw material goes into the tremie pipe through the automatic feeder. The tremie pipe extends into the inside of the mill through the concentrator' s side or center.
原料通过自动进料装置进入到下料管，下料管是透过分离器的侧面或中间进入到磨机内部的。
The air exhaust pipe is sleeved on the air inlet pipe, so that the air inlet pipe is located in the center of the whole tank, so as to reduce piping space and reduce the volume of the whole device.
抽气管套在进气管上，使进气管位于整个罐体的中心位置，缩减了管排布空间，减小了整个装置的体积。
A vacuum adsorption nozzle is stuck on the center of the bottom surface of the metallic film of the flat plate, and a vacuum adsorption pipe is connected with an outlet of a vacuum adsorption device.
平板金属膜底面中央贴设有真空吸附管口，真空吸附管连接真空吸附装置的出口。
A vacuum adsorption nozzle is stuck on the center of the bottom surface of the metallic film of the flat plate, and a vacuum adsorption pipe is connected with an outlet of a vacuum adsorption device.
平板金属膜底面中央贴设有真空吸附管口，真空吸附管连接真空吸附装置的出口。
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