查询词典 service pipe

The dealloying mechanism of material in service was discussed on the basis of analyzing the structural morphologies of aluminum bronze tube used in sea water pipe line system.

前言由于具有良好的机械性能、加工性能和耐海水腐蚀性能，铜基合金在海洋工程中有着广泛的应用[1]。

Category III new steel (400 MPA rolled ribbed bar) straighten cutter, cold-rolled and twisted steel machinery, drawing spiral steel machinery, steel stripping rib straight thread rolling machine, concrete pipe machinery, and more varieties and more models available for users Choice, quality, reliable, affordable, timely service, the establishment of a sound quality management system to ensure product quality and stability control, and through the China Quality Certification Center certification.

新III级钢（400MPA热轧带肋钢筋）调直切断机，冷轧扭钢筋机械，冷拔螺旋钢筋机械，钢筋剥肋直螺纹滚丝机，混凝土制管机械，多品种多型号可供用户选择，质量可靠，价格低廉，售后服务及时，建立了完善的质量管理体系，确保产品质量得到稳定控制，并通过了中国质量认证中心的认证。

When it is drilling, Drill stem's service life is reduced seriously, because of the flections distortion and the wear and tear with casing-pipe wall.

在钻进时，钻柱由于弯曲变形与套管壁产生磨损，严重地降低其使用寿命。

National free service hotline:400 880 2959 Salt Spray test chamber\ sulfur dioxide test chamber\ High temperature test chamber\ Low temperature test chamber\High and low temperature test chamber\ High and low temperature-humidity test chamber\ High and low temperature alternating temperature humidity test chamber\ Desktop constant temperature and humidity test chamber\ Constant temperature and humidity test chamber\ Precise drying test chamber\ Vacuum drying chamber\ High and low temperature shock test chamber\ Ultraviolet accelerated weatherometer\ Xeon lamp weather resistance test chamber\ Air ventilation climatic chamber\0zone climatic chamber\ Rustproof grease humidity test chamber\ Sand and dust test chamber\ Box rain test chamber\ Pipe rain test device\ Drip box\ Alternating mould test chamber\ Salt-mist corrosion laboratory\ Salt-mist corrosion laboratory\ Large high and low temperature stepping into laboratory\ Temperature aging room\ Vacuum UV aging test chamber\ Mechanical drop test bed\ Computer control vibrating table\ Temperature and humidity and vibrating combined testing machine\ Instantaneous temperature test chamber

全国免费服务热线：400 880 2959主营产品：盐雾腐蚀试验箱/二氧化硫试验箱/高温试验箱/低温试验箱/高低温试验箱/高低温湿热试验箱。/高低温交变湿热试验箱/台式恒温恒湿试验箱/恒温恒湿试验箱/精密干燥试验箱/真空干燥箱/高低温冲击试验箱/紫外光加速老化试验机/氙灯耐气候试验箱/换气式老化试验箱/臭氧老化试验箱/防锈油脂湿热试验箱/砂尘试验箱/箱式淋雨试验箱/摆管淋雨试验装置/滴水试验装置/霉菌交变试验箱/盐雾腐蚀试验室/大型高低温步入试验室/恒温恒湿试验室/盐雾恒温恒湿高温复合试验箱/温度老化室/真空紫外老化试验箱/机械式跌落试验台/电脑控制振动台/温湿度振动三综合试验机/温度快速变化试验箱

In order to solve the problem of demolition cutting of pipes in an ex-service nuclear-powered submarine , a cavity effect cutter and timed ignitor are designed and prepared on the basis of comprehensively considering various influential factors, and tests of cutting and timed detonating stainless pipe were carried out, the tests can be references in practice.

本文对退役核潜艇管道拆除切割问题，在综合考虑各方面影响因素的基础上，设计、制作了聚能切割器及其定时起爆装置，并进行了不锈钢管的聚能切割实验和定时起爆实验。

But the pipe was dilapidated and past service, and hardly hung to its fastenings.

可是水管已经烂了，不中用，和墙上的连系也极不牢固。

Add the clauses of appearance, lixivium ion content and pipe shell eccentricity, improve the thermal conductivity and dimension allowable indexes, add the safe service aphorism, modifies the regulation of inspection and change the "the maximum service temperature" to "temperature for shrinkage under hot load".

增列了外观、浸出液离子含量及管壳偏心度条款，提高了部分板的导热系数及尺寸允差指标，增列安全使用警语，修改了验收规则，并将"最高使用温度"改为"热荷重收缩温度"。

The main products:"hydrogen and oxygen gas cutting machine", food manufacturing equipment, the car steering wheel of a round box, car link, the chairs of rivets, automotive Circuit pieces of copper processing, and diesel engine casing All kinds of plugs, fire pump planes, fire pumps, pumping vacuum pumps, fire equipment and accessories to turning shaft, and other items, stamping parts, various types of pipe, and the Cold Working Gezhongfeibiao machining. I plant a principle of service: quality first, the credibility of the first, service-oriented, customer first

主要产品：&氢氧气割机&、食品制造设备、汽车方向盘的圆框骨、汽车连杆、坐椅的各种铆钉、汽车油路的铜件加工、柴油机外壳以及各种插销、消防泵浦架、消防抽水泵、抽水真空泵、消防器材配件与接轴等各类车削件、冲压件、各类管件、冷作以及各种非标机械加工。

In order to understand the operation safety and pipe service life span of rear superhearter, the essay established dynamic mathematic model of single piece of screen of rear superhearter, including the following sub-models: flue gas side model, steam side and metal pipe wall mathematic model, flow calculation model and wall temperature calculation model.

为了更好地了解后屏过热器运行的安全性和管子使用寿命，本文建立了后屏过热器中单独一片屏的动态数学模型，其中包括以下几个子模型：烟气侧模型、蒸汽侧和金属管壁的数学模型、流量计算模型和壁温计算模型。

Available with equalizer pipe for steam service or with equalizer pipe and piston rings for very low flow applications.

备有适用于蒸汽应用的均压管道，或适用于很低流速应用的均压管道和活塞环。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。