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螺旋管

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YM-tensioned anchor client 1, YM strand tensioned anchor client system includes: YM15 anchor (for §15.2,§15.7mm strand) YM13 anchor (for §12.7,§12.9mm Steel Stranded) BM15, BM13-type flat anchor YMZ15, YMZ13-ring anchors (applied to the structure of cyclic stress) 2, YML Series connectors include: single as used prestressing tendon lengthening, usually with in pre-tensioned law; porous as the next long prestressed beam, normally used in the continuous beam. 3, P-type anchorage system for P-type anchorage system includes extrusion anchor (from compression set and a triangle composed of copper wire extrusion spring), anchor anchor plate, spiral reinforcement, constraint circle bellows.

YM张拉端锚具1、YM钢绞线张拉端锚固体系包括:YM15锚具(适用于ф15.2、ф15.7mm钢绞线)YM13锚具(适用于ф12.7、ф12.9mm钢绞线)BM15、BM13型扁锚YMZ15 、YMZ13 型环锚2、YML型系列连接器包括:单孔作为接长预应力筋用,通常用于先张法中;多孔作为接长预应力束,通常用于连续梁中。3、P型锚固体系P型锚固体系包括挤压锚具(由挤压套和三角形铜丝挤压簧组成)、锚固锚板、螺旋筋、约束圈、波纹管。

Bloor M I G Axially symmetric flow models for hydrocyclones Oxford,Cranfield:BHRA-Elsevier , 1987,null

刘晓敏%蒋明虎%王尊策%赵立新%李枫动态水力旋流器圆管螺旋流场特性研究石油学报, 2003,2

It is feasible to replace lap welding with butt welding to improve quality of mid-diameter spiral weld pipe.

用高频对接焊代替高频搭接焊是提高中直径螺旋焊管质量的可靠途径。

The Company may, in accordance with the requirements, configure devices for production of spiral silencers and Xinceng foam units.

本公司可根据客户的要求,配置专用装置生产螺旋消音管和芯层发泡管机组。

In this paper, through the practice of solving roll marks on steel pipe, on spiral welded pipe of N820 in the steel pipe factory of Shengli oil-field ManagEment, the reason of roll marks occurence on steel pipe was primarily analysized, and some measures to reduce the roll barks of pipe are put up.

通过在胜利石油管理局钢管厂820螺旋焊管机组上解决钢管压痕问题的生产实践,对管体压痕产生的原因进行了初步分析,并提出减轻钢管压痕的一些具体措施。

Roller contour of bonding pad roll for SSAW pipe unit has a sensitive effect on welded pipe forming and welding quality,improper roller contour may result the occurence of defects such as offset and crack of inside-welding.

螺旋焊管机组焊垫辊的辊面形状对焊管成型、焊接质量有较大的影响,不当的辊面形状有可能产生错边、内焊裂纹等缺陷。

By constructing a generalized function"helical solitary vortex function", the paper solves the stream function of the helical vortex tube with the help of vortex filament one, and obtains some analytical expressions for large single-vortex core and small multi-vortex core.

通过构造一类特殊的广义函数&螺旋孤涡函数&,解决了利用涡丝流函数求(来源:75AB67C论文网www.abclunwen.com)解涡管流函数问题,导出了大单和小多螺旋涡管流函数的解析解。

In view of high ammonia loss, tail gas washing section is improved. Absorbing ammonia in Venturi tube, first and second washing tower, the concentrated phosphoric acid is pumped to pipe reactor at the neutralization degree of 0.5; all spouts in washing towers are replaced by spiral spouts and equipment anticorrosion is finished. After improvement, the ammonia recovery rate is increased to over 95% from the previous 85%.

由于管式反应器工艺存在氨逸出率高氨损失大的弊端,提出改造尾气洗涤工艺:将用于生产DAP的浓磷酸全部先在文丘里,第一第二洗涤塔吸收氨后,将中和度0.5的浓磷酸洗涤液送管式反应器;各洗涤塔的所有喷嘴改造为不同型号的螺旋喷嘴;并注意解决洗涤设备的防腐问题改造后氨回收率由85%提高到≥95

The influences of curvature, torsion and inclined angle of cross section of the pipe on the flow characteristics are analysed and studied in the fully developed steady laminar flow of helical square pipe.

借以分析研究了螺旋状矩形管在定常、充分发展的层流流动中,管的曲率、挠率和横截面倾斜角对流动特性的种种影响。

The utility model relates to an enclosed electric stove with electric heating tube which is characterized in that a semicircle sectional discoid spiral electric heating tube is used as a heat source.

实效模型用被表示的特色的电的暖气管与一个被附上的电火炉有关在半圆形部份的铁饼状的螺旋形的电暖气管被当作一个热来源使用。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。