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An intake port is formed in head of the suction pipe so that the sucked air flows turning in contact with the inner circumferential surface of the dust collection chamber.

吸气管的前端形成吸气口使吸引风一边与集尘室的内周面相接一边旋转流动。

The company is located in Shanghai Chemical Industrial Zone in southern, mainly the production of boiler pipe attachment and accessory products - pile tip has passed ISO9001: 2000 quality system certification, more than twenty years for the production of boiler plant attachment, economizer, superheater, reheater, air preheater, such as supporting the entire Product.

公司座落于上海南部化学工业区，主要生产锅炉附件及管桩的配套产品--桩尖，已通过ISO9001：2000质量体系认证，多年来为二十多家电厂生产锅炉附件、省煤器、过热器、再热器、空气预热器等全配套产品。

In this paper, the important thing is analysis the function of the pipe umbrella in excavating period.

隧道开挖过程中管棚的作用机理分析是本文的重点，在分析了国内外的研究成果的基础上，提出了管棚的受力模式，并推导出管棚受力条件下的挠度方程。

It is so polluted in the air that I feel like I'm sucking on an exhaust pipe while in a middle of a sand storm.

当我在一片沙尘暴中，我感觉自己像在一个排气管中呼吸一样。

High-pressure and dense-phase pneumatic conveying of pulverized coal is a key technology in the field of large-scale entrained bed coal gasification. One of its major problems is how to obtain high solid-gas ratio in the conveying pipe.

煤粉高压密相气力输送是气流床加压气化的关键技术，其核心问题之一是如何获得较高的管路固气比。

In this paper, Smith's finite difference solution of one-dimensional wave equation is applied to two prototype steel pipe testpiles(900 mm o.d.with variable wall thickness and lengths of 69 and 72 m)which were driven with open ends in the Bohai oil field of North China.

本文将一维波动方程的史密斯差分解应用于华北渤海油田的两根开口打入的原型钢管试桩(外径900毫米，变壁厚、桩长分别为69及72米)。计算结果与现场实测值(包括以后所进行的静荷载试验)相比甚为符合。

The company was established for many years in pipe fittings in the industry with many years of experience.

本公司成立了很多年，在管件这个行业具有多年丰富的经验。

And our network game industry is returned however " indulge " it is in the funny myth that network game is financial storm port, will examine and approve what entrance net swims strictly what still holding edition arrange in the arms to say even to help straw, making the pipe dream of unify all corners of the country.

而我们的网络游戏业界却还"沉迷"在网络游戏是金融风暴避风港的可笑神话之中，甚至还抱着版署说的将严格审批进口网游的救命稻草，做着一统江湖的黄粱美梦。

In the midst of the circle, and divested of his furry cloak, stood a Greenlander, with a small pipe, and he played and sang a song about catching the seal, and the chorus around chimed in with,'Eia, Eia, Ah.

现在一场审判开始了，有纷争的岛民走了出来，原告跟随着笛子和舞蹈的节奏即兴的唱着，尖酸的讥讽被告的不是，被告也尖刻的辩护着，观众们哄堂大笑，随后做出他们的判决。

This paper analyze and study the influence of the superimposition in depth based on the previous achievements and combined with the theoretical qualitative analysis and project instances. The main contents as follow:Chapter 1: Indicate the significance and objective of this paper, review the previous achievements of the transient process and superimposition, and then present the study purpose of this paper.Chapter 2: combined with the physic knowledge of the fluctuation and the superimposition, Indicate the physical essences and the influence of the superimposition phenomena that exist in the diversion pipe system, and take one hydraulic turbine owning only one diversion tunnel and two hydraulic turbines sharing one tailrace conduit for instance to study out the numerical calculation superimpose operations.Chapter 3: From the calculation theory of the parameter of the guaranty calculation of regulation of the hydro-turbine, qualitative analyze the influence of the superimposition on them and the superpose time, combined with some project instances, get the numerical value of the influence of the superimposition and the superpose time.Chapter 4: Based on the previous achievements of the calculation and theoretical analysis of the surge-chamber ground swell, analyze the influence of the superimposition on it and the superpose time.

本文在前人研究成果的基础上，结合理论定性分析及工程实例，对波动叠加带来的影响进行深入分析研究，其主要内容如下：第1章，指出本文研究的意义和目的，回顾前人对水电站过渡过程及波动叠加方面的有关研究成果，在此基础上提出本文的研究内容；第2章，结合物理学中有关振动与波动叠加方面的有关知识，阐述水电站引水发电系统中存在的波动现象的实质及其影响，并以两机一洞和一机一洞具有上游调压室或下游调压室的水电站拟定其数值计算叠加工况；第3章，从机组调保参数的理论出发，定性的分析波动叠加对机组调保参数的不利影响及叠加时间，结合几个工程实例，得到波动叠加带来的影响大小及叠加时间；第4章，在前人对调压室涌浪进行计算和理论分析的基础上，分析波动叠加对调压室涌浪的影响及其叠加时间。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。