查询词典 casing pipe

In an oil well, the casing is a steel circular pipe, and it would confine and guide the electromagnetic wave propagating; and the electric properties of the fluid media would determine the propagation factor of the guided wave and affect the distribution state of the electromagnetic field.

油井内的套管是钢铁质圆管，对电磁波的传播将产生限制和引导作用；油井内流体介质的电性质将决定导波的传播常数，影响电磁场在井的轴向上和横向上的分布状态和波的传播特性。

There is a pipe coming from the ceilling, every once in a while a column of water will start dropping from this pipe.

从上方下来有一个水管，一定容量的水会慢慢的从水管里流出

This paper introduces some solutions :change cast-iron pipe to steel or PE pipe ;retain manufactured gas works to adulterate ;on humidification of natural gas in network .

文章介绍了国内燃气铸铁管网改造的常用方法，并对其各自特点进行了分析。

By analysis of enforcement of drilling tools of air downhole hammer 's following pipe, the factors affecting the drilling speed and depth of the following pipe are obtained.

通过对空气潜孔锤跟管钻进钻具的受力分析，得到影响潜孔锤跟管钻进速度和跟管深度的因素。

This valve lets air into the pipe, but will not let air out of the pipe.

这种阀门，让空气进入管道，但不会让空气的管道。

Because the structural design requires the base pretensioned and post-grouting,the embedded part of the base used bolts,anchor plate,corrugated pipe and injected pipe.

深圳会议展览中心钢结构工程采用高强度、大直径预应力锚栓，用以锚固铰支座和拉接端头梁，由于设计要求先张拉后灌浆，所以预埋材料涉及了锚栓、锚板、波纹管、注浆管等。

SaiMei mainly deals in all ranges of hardware fittings with advanced technology and equipments e.g. slotted angle, shelving, bracket, belt steel, steel pipe, laminate, galvanized steel plate, galvanized steel pipe, TV shelf, warehouse shelf, nails, wire, wire net, furniture, section steel, ect. The technology in steel rolling, auto pressing, moulding, surface treatment keeps ahead of the world.

公司主营万能角钢、货架、支架、电视架、仓储货架、置物架、优质带钢、钢管、层板、镀锌钢板、镀锌钢管、钉子，铁丝，铁丝网、家具、型材等五金制品，技术力量雄厚、生产设备先进，其中轧钢镀锌、自动冲压、滚压成型和表面处理等技术领先世界水平。

And it brings a lot of data of draining pipe network and appurtenant works. It is very difficult to manage urban underground network (including the draining pipe network) by handwork method.

但是，在我国绝大多数城市中仍采用人工管理的方法来管理城市排水管网，其弊端显而易见。

Qingdao pipeline expert specialized hot line; 13012952726 provide the pipelining service; After installment service replacement hot and cold pipeline, place bedpan, the water tank, the hand wash basin, the water heater, the galvanized pipe, the aluminum model the tube, the pvc tube, the pp-R multiple-unit tube, the hot air pipe, the valve, the water cock, the inside and outside wall leakage, the machinery opening sewer, to replace the floor drain

青岛管道专家专业热线电话；13012952726提供管道安装维修；安装维修更换冷热水管道、座便器、后水箱、洗手盆、热水器、镀锌管、铝塑管、pvc管、pp-R复合管、暖气管、阀门、水龙头、内外墙渗漏、机械疏通下水、更换地漏、另外我们有节水型、直排式、虹吸式座便器全部按出厂价自销、五金配件保修五年。

The yield strength of the line pipe is the key factor for strength design of pipelines, but the deviation of the test result of yield strength by the most universal normative round bar specimen and flattened strip specimen cannot be ignored in high strength line pipes, which does give more bewilderedness to the inspection and evaluation of line pipe.

管线钢管的屈服强度是管线强度设计的基本参数，但是最常用的标准圆棒试样和板状试样测试钢管横向屈服强度的结果存在明显差异，并且差异随钢级的提高而增大，给实际的生产检验和评价带来困惑。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。