This paper gives a detailed description of the properties and harmfulness of dust, the kinematic features of dust and the present situation and technical level of wet dust collectors both at home and abroad, a new type of wet cyclone dust collector has been successfully developed on the basis of the mechanism of wet cyclone dust collection, the theory of rotary airflow field and the similar model test results of the main components of wet cyclone dust collectors by the predecessors, all performance indexes of this new dust collector conform with requirements, it has been applied in Sichuan Changyun Cement Plant and better results have been obtained.

本文詳細論述了粉塵的性質和危害、粉塵的運動特性和國內外濕式除塵器的現(xiàn)狀及技術水平视频网址国产精品入口，在濕式除塵機理禁止18岁以下的看A片、旋轉流場理論和前人對濕式旋流除塵器各主要部件的相似模擬試驗結果的基礎上，成功地研制出各項性能指標均達到要求的濕式旋流除塵器韩国产三级三级香港三级日本三级，并在四川省長運水泥廠進行了現(xiàn)場應用，取得了良好的效果88综合。

It analyzes the structure feature of all parts in the novel grinder and motion principles, which establish the base for producing the drill grinder. The research on grinding mechanism and development of the novel drill grinder fill the blank at home and abroad, which will bring large economic and social benefits.

新刃磨原理的研究和新型鉆頭刃磨機的研制国产麻豆剧传媒一区，填補了國內的空白，類似原理的刃磨機國外也未見報導大学性爱视频在线，將帶來較大的經濟效益與社會效益AV不卡在线永久免费观看。

Bromo-5-formyl -3-methylpyrrole is an important intermediate of tolyporohin. On the base of introducing the present research and development of tolypo- rohin and pyrroles ramification at home and abroad, an emphasis was made on synthesis of 2-Bromo-5-formyl -3-methylpyrrole and the technical conditions of all steps, which was described as follows. Diethyl 3,5-dimethylpyrrole-2,4-dicarboxylate was made by nitrification, reduction and cycle of ethyl acetoacetate.

由于2-溴-5-甲酰基-3-甲基吡咯是合成托尼卟吩的重要中間體黄色最新在线免费，本文在闡述了當前托尼卟吩及吡咯衍生物的國內外研究和開發(fā)的基礎上激激激激激激情，重點研究了2-溴-5-甲酰基-3-甲基吡咯的合成久久播天天翘天天综合网，并對各步反應進行了工藝研究激情乱伦色图，具體合成步驟如下：本文通過對乙酰乙酸乙酯的亞硝化、還原黄网站色视频网站免费观看、成環(huán)亚洲激情欧美，反應生成吡咯單環(huán)衍生物2，4-二乙氧羰基-3欧美老年人性爱视频，5-二甲基吡咯曰本一级片。

Moreover, he hath left you all his walks, his private arbours , and new-planted orchards, on this side Tiber ; he hath left them you, and to your heirs forever; common pleasures, to walk abroad, and recreate yourselves.

此外，他把泰伯河那一邊他所有的園林久久AA视频，私人的亭舍欧美一级a卡片免费观看，新栽的花苑，一律贈給你們；他把這些產業(yè)送給你們欧美性猛交XXXX三人，并給你們的子孫永久為業(yè)黄色网站直接看的；供你們使用，在這里漫游散心欧美视频免费看视频。

First of all, I look for related research in the literature for supply standards at home and abroad, and broach the framework. Then, according to my categories, I choose 15 buildings in Xinyi District to do field survey because there are bikeways and parking spaces around the buildings. The survey results are used to draw up my supply standard.

首先回顧國內外自行車停車位的相關研究與規(guī)范規(guī)定免费视频高清日韩精品视频在线播放，提出初步供給架構；再根據(jù)不同的建筑物用途免费在线欧美，選擇適當?shù)恼{查地點欧美性生活17-18，利用問卷與實地調查，了解停車位供給現(xiàn)況與實際需求求在线毛片网址，并以國外法規(guī)進行試算與比較艹视频免费，提出設置建議。

As its coteries, guilin beauty travel service operates under the principle of expanding the business tour market at home and abroad, promoting business activities with tourist development and providing the clients with an all- round service.

與其同行一樣中日韩欧美黄色网，桂林美景旅行社以拓展國內外商務旅游市場国产深夜福利嘿咻嘿咻视频，以旅游促商務，為客戶提供全方位的服務為宗旨羞羞操电影视频。

Since device throws trial production 91 years oneself, absorb abroad through be being digested ceaselessly technology and undertake the technology tackles key problem ceaselessly, acrylic fibbers production is in benign condition all the time.

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Therefore, we require that large amount of strong meeting exhibition special field talented person participation goes to this grand gathering middle , show Chinese civilization charm and long history culture to home and abroad all round , reveal this Shanghai modernized Metro deep international culture detail at the same time.

因此激情久久综合精品久久久久，我們需要大量會展專業(yè)性強的人才參與到此次盛會中去，向國內外全面展示中華文明的魅力和悠久的歷史文化在线视频黄色中文中文网，同時揭示上海這座現(xiàn)代化國際大都市的深厚文化底蘊亚洲日韩高清AⅤ在线观看。

Companies for the general market, to learn at home and abroad advanced technology, has introduced high-quality multi-layer film blowing unit (2-5 layer co-extruded blown rotary unit), customers can simultaneously demand the production of non-factory specifications for a variety of machinery, for provide our clients with a variety of spare parts: rotating mold head, the general dies, the wind ring, seal cutter and film blowing machine all fittings.

公司面向廣大市場，吸取國內外先進技術涩视AV，不斷推出多層次高質量吹膜機組(2-5層共擠旋轉吹膜機組)黄色一级片一级片，同時可按客戶需求生產非本廠規(guī)格的各種機械，為廣大客戶提供各種零配件：旋轉模頭国产精品久不卡在线观看蜜、普通模頭男人女人插动态、風環(huán)、封切刀和吹膜機所有配件国产尤物电影在线观看网站免费。

The main products include stainless steel products ; Buddhist ; local crafts' Lingnan one must '- fire painting fan, glass painting, such as fire, are at home and abroad Jiapin Qiaoxiang love gifts, and are exported to all over the world.

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