管线

To discuss the feasibility of applying this technique into the practice of engineering, this paper references the real project of the running tunnel from Great Showplace to Scientific House in Shenzhen Metro, uses the geotechnical centrifuge of Southwest Jiaotong University, then researches the settlement of the ground and the influence on the pipeline underground in stratum with abundant water by the technique of undraining spin-spay pile, at last draws a conclusion about the principle of the ground settlement with the construction method of excavating soil rich in water without dewatering at Shenzhen Metro.

为了探讨离心模型试验技术这一研究手段在地下工程中应用的可行性，结合地质、水文、结构较为复杂的深圳地铁大～科区间暗挖施工SK3+355断面的具体实例，应用我校新近建成的100gt土工离心试验机，采用离心模型试验技术对在富水地层应用水平旋喷桩工艺进行控制降水施工对地表沉降变形及地下管线的影响进行了研究。

The finger type slug catcher is one of the important equipments at the terminal of the wet gas transmission pipelines. Its design parameters are so complicated that China still has not produced this product with independent intellectual property rights.

管式液塞捕集器是气液混输管线终端的重要设备，其设计参数复杂，目前国内还没有具有独立知识产权的液塞捕集器产品。

By using mass flow meter in the front of petroleum products tubing of oil filling riser of centralized trestle bridge, the quality of the petroleum products flowing by can be verified, thus batch control and accurate measurement of the whole petroleum-paying operating process are realized.

系统在集中式栈桥大鹤管前端油品管线上安装质量流量计，直接测量流过油品的质量，并实现对整个付油过程的批量控制和准确计量。

The extra low electromagnetic wave, wavelet technology, pipe track instrument,DGPS and tracing signal equipment are used to solve the key question of trans-mit- receive and communication.

研究信息融合技术在海底管道维修装置与检测装置间的应用，采用超低频电磁波，小波分析等技术与管线跟踪探测仪、DGPS以及示踪信号探测器等设备解决发射、接收、通讯技术中的关键技术点。

Huijin hand of the three major gas line too disappointed the market, in the face of holdings should be a common practice to remain calm in the three-headed

汇金三大天然气管线手太失望了市场，在面对持有应该是普遍的做法留在三个冷静的头脑

The operation method, characteristics and notice items of the static pressure test through the height difference between the in and out nozzles of the in-service pressure vessel are introduced. The difficult problems for hydrostatic test of certain kinds of the in-service pressure vessel have been solved ingeniously. And the overhaul cost and maintenance difficulty of in-service pressure vessel have been reduced efficiently.

论述了利用某些在用压力容器出入口连接管线达到一定高度差可产生的静压强进行水压试验的作业方法、特点和注意事项，巧妙解决了某类容器不易进行水压试验的难题，有效降低了压力容器的检修难度和费用。

Open pump suction venting valve until gas free.

打开泵入口管线上的放空阀，至无气体。

Maintain the liquid suction pipe as short as possible.

保持吸液管线尽可能短。

The valves are intended to perform four important functions in boiler steam piping.

这种阀门在锅炉蒸汽管线中能够执行四项重要的功能。

In the high temperature Forged Gate, Globe, Check Valves and pressure superheated steam piping and equipment should be selected special superheated steam trap.

在高温高压过热蒸汽管线和设备上，应该选用过热蒸汽专用疏水阀。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。