Girls focus more than boys on the development factors;

This article introduces the interlock method of standing spiral loop and uncoiler in the modern auto cold bend& welded pipe production line.

浅析了现代自动化冷弯&焊管生产线中，立式螺旋活套与开卷机的联锁方式。

Analysis of the Standing Spiral Loop and Uncoiler Interlock

浅析立式螺旋活套与开卷机的联锁

Controlling the Horizontal Spiral Loop of Φ 219 Welding Pipe Mill With PLC

Φ219焊管机组水平辊螺旋活套的PLC控制

AC Speed Governing System And PLC Control of Horizontal Spiral Loop

水平螺旋活套的交流调速及PLC控制

The equation of the positive spiral surface are expressed with the conventional cylindrical spiral equation. The line connecting two points on the positive spiral surface ( geodesic) can only be expressed with differential equation, which his no practical meaning.

目前关于正螺面方程是用常规的圆柱螺线方程表示，而正螺面上任意两点间的连线（短程线）只能用微分方程表示，并无实际意义。

The paper, which is entrusted by Shandong Yong Tai Iron and Steel Technology Co., Ltd., aims to design the automatic control system of spiral pipe production line.

本课题是受山东甬泰钢铁科技有限公司的委托，研制螺旋焊钢管生产线自动控制系统。

Development and application of high-frequency/ submerged arc dual-function spiral weld-pipe mill line

高频-埋弧双功能螺旋焊管机组的研究与应用

Spiral structural line of bias cut clothing whose shape is elegant breaks the structure of routine clothing and can meet the pursuit of modern people for personalized clothing in some ways.

服装的螺旋分割线打破了常规服装的结构分割线，且造型优美，能从某种角度满足现代人对服装个性的追求。

A kind of prestressed concrete beam with spiral broken line cables subjected to torsion is present based on the principle of generalized equivalent loads of prestress cables.

对配有折线螺旋形预应力筋的混凝土受扭梁与通常配有纵向预应力筋的混凝土受扭梁进行了加载试验。

A calculating method for the interpolation of cylinder spiral-line was prompted based on the time-divided method. The principle of this method was researched and deduced.

基于时间分割的方法，提出了一种圆柱螺旋线的插补算法，对该方法的基本原理进行了研究，并用数学方法进行了推导。

The article studied on a pattern making method of bias cut clothing having spiral structural line introduced from abroad.

本文对从国外引进的一种具有螺旋分割线的斜裁服装制板方法进行研究。

It's developed this new punctuation mark, the sarc mark, the dot inside a spiral line is supposed to be used at the end of a sentence if you're concerned the irony of your message will be lost. The symbol can be downloaded for a$ 99 at sarcmark.com

他们发明了一种名叫Sarc Mark的标点符号，一条螺旋线围绕一个点，用于句子最后。如果你担心邮件部分丢失，可以花99美元到sarcmark.com的网站下载这一标志。

Swirling water jet is a high-pressure water through the nozzle from the orientated impeller inside the drill which is a diffusive jet with the three-dimension speed moving along the spiral line and has a particular structural properties and high rock-breaking efficiency.

旋转水射流是高压水经过钻头内部的导向叶轮从喷嘴脱离后形成的具有三维速度、沿螺旋线运动的扩散性射流，其结构特性独特，破岩效率高。

Fish skin paper-cut design of Hezhe includes animal totem, Saman trees, paper-cut of the spiral line, etc. The lines are smooth, style is rough, and the decorating is strong.

赫哲族的鱼皮剪纸样式有动物图腾、萨满树，螺旋纹剪纸等，线条流畅，风格粗犷，装饰性强。

A circular hoop sheet is punched with a spiral line, and one end of the spiral line penetrates through the connecting piece to contact a bottom plate to engage with the screw.

圆形箍片冲制有螺线一端穿过连接件贴靠在底平面并与螺钉相啮合。

A new method, which is based on the spiral line equations, for the spiral calculation in the spiral plate heat exchangers was introduced in this paper. Its general calculation formulas with their derivation were given.

提出了一种基于螺旋线方程的、全新的螺旋板换热器螺旋计算方法，给出该算法的计算公式以及公式的导出过程。

The normal calculation formulas of the strength of the well pipe and the endured connection FRP threads of the spiral line's length are given.

最后推导出管道本体和受力连接螺纹强度设计、螺纹螺旋线总长等通用计算公式。

Method: The method of strong aqua ammoniac induced cough, the method tracheal spiral line and phenolsulfonphthalein excretion test were used.

方法：采用浓氨水诱咳法、酚红排泌法和气管螺旋条法研究镇咳、祛痰和平喘作用。

A filter with two notch-bands is designed using interdigital coupled line with open-circuit stubs structure and spiral line structure. 5.

利用开路支节的叉指耦合器结构和螺旋缝隙结构，设计了一款具有双陷波特性的带通滤波器。

An experimental study of the self-cleaning capacity of the autorotation spiral line in the heat exchanger tube

换热器管内自转螺旋自动清洗能力的试验研究