采用的外管共挤技术，提高了管材的层间结合强度。
It adopts outer pipe co - extrude technology, improving the joint stress among layers.
采用的外管共挤技术，提高了管材的层间结合强度。
It adopts outer pipe co-extrude technology, improving the joint stress among layers.
本发明所述的制备方法包括内管的制备和内、外管连接。
The preparation method comprises preparation of the inner pipe and connection of the inner pipe and the outer pipe.
在其内管上与外管相对应的部位开有多个过滤孔形成过滤器。
A plurality of filtering holes is arranged at the position on the inner tube corresponding to the outer tube, forming a filter.
在相同的情况下，外管出现干涸时的截面含汽率大于内管出现干涸时的截面含汽率。
Under the same conditions critical qualities in outer tube are always larger than that in inner tube.
通过化工设备与外管方面的部分设计实例，总结出一些设计技巧，供设计人员作参考。
Through the practical examples in designing process equipment and its outside pipes, some techniques in design were summarized, which can be used as reference by engineers.
该装置主体由内管、外管、活塞管、端盖、承压环、吊耳、液路元件和密封元件等组成。
The device is mainly made up of inner tube, outer tube, piston tube, end cover, retaining ring, hanger, liquid-route element and sealing element.
振动阻尼器(14)由竖直外管(18)以及与外管(18)隔开的竖直内管(20)形成。
The vibration damper (14) is formed by a vertical outer tube (18) and a vertical inner tube (20), the inner tube (20) being at a distance from the outer tube (18).
双管夹芯结构中外管撕裂模式的结构行程利用率和能量吸收效率高于相应的外管周期折叠模式。
For the foam-filled double tube structure, the stroke efficiency and the energy absorption efficiency under the outer tube tear failure mode is higher than that under the progressive buckling mode.
而提高冷媒的流量或缩短换热器的内管与外管套之间的距离可以大大改进冷冻浓缩的传热效果。
The effects of heat transfer could be improved by increasing the range of refrigerant flow or shortening the distance of the inner tube and outer tube of the heat exchangers.
镀铜外管、碳钢内衬管、精密加工的密封垫表面以及全扩展的管深度，保证了高效和稳定的性能。
Combined with copper outer tubes, carbon steel inner tubes, precision machined gasket surfaces, and fully expanded tube depth, this design assures efficient, dependable performance.
本发明涉及一种套管式高效泡沫金属换热器，包括外管和内管，所述外管与内管之间填充有泡沫金属。
The invention relates to a sleeve-type efficient foam metal heat exchanger, which comprises an outer tube and an inner tube, wherein a foam metal is filled between the outer tube and the inner tube.
由于它本身能抵抗较大的外荷载，使其不须依赖土壤的侧向支撑，因而对回填土要求较柔性管低。
Its capacity of resisting large external load enables it not to rely on lateral support of the soil, therefore its requirements on backfilling soil is lower than on flexible tubes.
明确了HDPE外护管主要技术指标及产品执行标准。
Has been clear about HDPE external protecting tube main technical specification and product implementing standards.
采用外压管式聚砜-聚丙烯腈共混超滤膜进行错流膜生物反应器水力清洗特性研究。
The external pressure tubular moduel and PS PAN blended membranes were used in the study on the characteristics of hydraulic cleaning in crossflow membrane bioreactor.
一般地，如果没有准备好连接室内、外机组的配管，请勿拆卸部件(阀门、接头、橡胶、塑料圈及铜帽等元件)。
Generally, do not remove components (including valve, connector, rubber, plastic ring and copper cap) before the tubing for connecting indoor, outdoor units are prepared.
本文从ANSYS有限元分析和试验两方面分别对光管和波节管在承受内压爆破和承受外压失稳时的性能进行研究。
This paper studies the performance of internal pressure blasting and external pressure squirm between smooth tube and corrugated tubes from the ANSYS finite element analysis and testing.
通过对砂带磨削机理的分析，选定用砂带磨削玻璃管端面及外圆。
Upon the analysis of the mechanism about grinding of abrasive belt, grinding the end face and outside of the glass tube with abrasive belts is chosen.
复发结石在肝内的分布广泛，依次为左肝管、右肝管、左内叶、右前叶、右后叶、左外叶和尾状叶，分别为13、12、8、6、4、3和3例次。
The recurrent stones were found at following sites: 13 at left duct, 12 right duct , 8 left medial segment, 6 right anterior segment, 4 right posterior segment, 3 left lateral segment, 3 caudate.
导向扩张头中部的外直径大于通管的外直径。
The external diameter of the middle part of each guiding expansion head is larger than that of the through pipe.
采用外螺旋肋片管实现高温侧强化传热后，再热器管壁温度升高，所需贵重金属耗量增加。
The temperature of the tube went up and then the expenditure of expensive alloy increased by using extern spiral finned tube, which enhanced the external heat transfer.
采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区(HAZ)的焊接热循环。
In this paper the HAZ weld thermal cycles of the welding by both sides submerged arc welded steel pipe were reproduced by the dislocation overlap weld method.
这就是我们的产品(尤其是开颅器)为什么除了外包装外，常常还有QP管包装的原因，这样也可以保证标签清晰易辨。
This is why you will frequently find that our instruments, especially craniotomes, are packed in QP tubes, in addition o an outer tubular bag which guarantees clear legibility of the label.
正如麦当劳希望在经营餐厅的同时，还出让特许经营权，时代华纳的高管们也想在拥有有线电视公司外，还掌控网络和电影制片厂。
Just as McDonald's wants to run restaurants as well as franchising them, Time Warner's executives like controlling a cable company as well as networks and a film studio.
铠装标准铂电阻温度计是将敏感元件、中间引线、绝缘粉料、不锈钢外保护管组装后，再经模具拉制成的坚实整体。
The sheathed standard Pt resistance thermometer composed of sensitive element, leads, insulator, and stainless steel protective tube is a die assembly after it was drawn out.
本例为淋巴管周围型结节，肺裂及外周胸膜可见多发胸膜下结节。
This patient shows a perilymphatic pattern. Subpleural nodules are visible in relation to the major fissure and peripheral pleural surfaces.
探讨了直埋蒸汽管道的保温结构、保温材料、外保护管、固定支座、补偿器、疏水装置等技术。
The technique of directly buried steam pipeline such as insulation construction, insulating material, outside protective pipe, fixing support, compensator, and steam trap connections is discussed.
除另有规定者外，本规定适用各型船舶的管系和舱室通风系统。
The provisions of this Chapter apply to piping and ventilating system on all types of ships except where otherwise stated.
砧骨短脚或砧骨窝及外半规管是乳突手术中确定FN锥曲段的重要标志。
Short limb of incus(or incudal fossa) and lateral semicircular canal are important landmarks by which pyramidal segment of FN might be located in manipulation of mastoid.
砧骨短脚或砧骨窝及外半规管是乳突手术中确定FN锥曲段的重要标志。
Short limb of incus(or incudal fossa) and lateral semicircular canal are important landmarks by which pyramidal segment of FN might be located in manipulation of mastoid.
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