This text pressed an on trial pedestal each zero partses to carry on a detailed calculation and the school pit to the liquid in introducing the background of the topic research and the foundation of the meaning:Pass to draw up towards experimenting the pedestal system principle diagram, explain the work principle of the system and manipulate a method;Pass the calculation to the system pressure,discharge, choose the oil pump,pipeline and valve door;Pass the calculation to deliver the calories to system, make sure the physical volume of the fuel tank and choose heating apparatus with spread a hot machine;Pass to spread a design of move the system to the pump station, choose to keep the strength that the gear cone wheel gear spread to move to combine a school to check stalk.

本文在介紹課題研究的背景及意義的基礎上欧美三级黄色网站，對液壓試驗臺各零部件進行了詳細的計算和校核：通過對試驗臺系統(tǒng)原理圖的擬訂国产原创在线观看播放网站视频免费，說明了系統(tǒng)的工作原理和操縱方法亲近相奷中文字幕；通過對系統(tǒng)壓力国产一级A婬片试看26分钟、流量的計算国厂熟女a乱又伦，選擇了油泵欧美午夜在线观看视频高清、油管和閥門；通過對系統(tǒng)發(fā)熱量的計算三级片在线免费，確定了油箱的體積并選擇了加熱器和散熱器ww黄色一级视频；通過對泵站傳動系統(tǒng)的設計，選擇了直齒圓錐齒輪傳動并校核了軸的強度欧美激情视频91。

Through in the practice feeling about divulgement, vibration and synthesis operational performance of the pump and life of the key components and the pedestal and intact operating horary inside contact in whole set, try to look for one kind of reasonable and economical corrosion resisting stainless steel material of the pedestal and pump body,in the hope prolonging ZA200-315A and HC200-250A type stainless steels acid resisting pump whole set operation life.

通過實踐摸索泵的泄漏激情性交小说视频、振動及泵綜合使用性能和關鍵部件的壽命、底座壽命與整機完好運行時間的內(nèi)在聯(lián)系91视频官方，試圖尋找一種合理經(jīng)濟的耐腐蝕不銹鋼底座及泵身材質(zhì)91精品国产福利在线观看富婆，以期延長ZA200—315A型及HC200—250A型不銹鋼耐酸泵的整機運行壽命网址性av。

This grinding machine processes the way adoption correspond type to whet to pare the way, the work piece install at turn round the work on the stage, turn round with the work pedestal, the emery wheel turns round at the same time, the path of the emery wheel to enter to depend turn round the work pedestal to follow the X direction moves the realization, top of bearings bore and top end face process good after, process with same emery wheel underneath of bearings bore and under carry the noodles, the work piece install once, with guarantee the accuracy.

此磨床的加工方式采用切入式磨削方式，工件安裝在回轉(zhuǎn)工作臺上污视频推荐视频平台免费观看视频，隨工作臺回轉(zhuǎn)日本高清视频在线观看Aⅴ，同時砂輪回轉(zhuǎn)，砂輪的徑向進給靠回轉(zhuǎn)工作臺沿 X 方向位移實現(xiàn)国产精品爱V在线观看，上面的軸承孔及上端面加工好后怕怕网站免费观看，用同一砂輪加工下面的軸承孔及下端面，工件一次安裝激情国产黄色视频，以保證精度国产高清在线视频一区二区。

To ensure that the reaction force and anti-wall concrete pedestal construction quality and design requirements for reaction time pouring concrete pedestal搗成type, reaction formation pedestal error of less than ± 2.5mm; reaction wall flatness error of less than ± 2.5mm, reaction force wall verticality Gradient error is less than 10mm, anti-power wall concrete positive effects for the fair-faced concrete.

確保反力墻與反力臺座的混凝土施工質(zhì)量，設計要求反力臺座混凝土一次澆搗成型在线观看成人短视频网站，反力臺座平整度誤差小于±2.5mm男人的天堂综合网；反力墻平整度誤差小于±2.5mm，反力墻垂直度漸變誤差小于10mm日韩3级电影网，反力墻混凝土正面為清水混凝土效果国产视频33区。

With the development of modern science, all kinds of pedestal platforms must be more precise . However, in the gradienter checking, the capability of the current optics quadrant instruments can not adapt to some of the pedestal platforms entirely, especially to some pedestal platforms on the ships (such as: naval ships).

隨著現(xiàn)代科技的發(fā)展，人們對于各種基座平臺的水平度精度要求越來越高男人的精品在线观看，而現(xiàn)有光學象限儀已不能完全滿足基座平臺水平度的檢測欧美乱强伦视频，特別是一些艦船上的基座平臺，對于水平度精度的要求很高精品毛片av一区二区在线。

In this paper, the limit load of buried pipe, that is used in Nanjing city nature gas using engineering, was studied by finite element analysis under various groundsill character, pedestal angle and ground pressure, and the risk assessment for this piping was performed. The limit load of buried pipe was measured by experiments. The research contents and results were as follows:(1) With FEA method, the effects of various groundsill character, pedestal angle and ground pressure on the limit load of buried pipe were studied.

本文主要針對南京市城市天然氣利用工程的埋地管道黄片欧美性爱，研究其在不同地基性質(zhì)、支座包角和地面載荷情況下的極限載荷精品狼友视频在线播放，并進行了試驗研究亚洲国模私拍人体GOGO图片，同時進行了風險評價，主要研究內(nèi)容與結(jié)論如下：(1)通過有限元計算分析人妻大白腚，研究了不同地基性質(zhì)A片免费看视频、支座包角和地面載荷對埋地管道極限載荷的影響。

In recent years, with the advanced requirements for speedup and heavy load from rail transport, the advanced requirements for the property of supporting pedestal have been proposed. The inherent defectivenesses which include the low mechanical property, low fatigue ductility and low shock resistance of cast-steel product, and the avoidless gas cavity, shrinkage porosity, inclusion, crack, etc in cast-steel product, existed in the product of Cast-steel supporting pedestal, have threatened the high speed and safe running of railroad.

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The acusector pedestal is pivotally connected with the pivotal pedestal and provided with a channel.

針刀基座可樞轉(zhuǎn)地連接到樞轉(zhuǎn)基座上并具有通道毛片总合网。

1 In Zhanjiang Power Plant has been analysed,and it is believed that the main causes to be as follows:(1)large deformation of the lowpressure cylinder leading to collision and friction between moving and stationary parts;(2)the vacant space under bearing pedestal and turninggear box bringing on lower rigidity;(3) the natural frequency of bearing pedestal is closing to the power frequency etc.

對湛江發(fā)電廠1號機4號軸瓦振動大的問題進行分析，認為其主要原因為：低壓缸變形大導致動靜碰摩china农村野外妇女BBw，軸承座及盤車箱下部脫空引起剛度降低男插女激情免费网址在线观看，軸承座的固有頻率與工頻相近等。

Reasonable pedestal damp trims the function of wave height of force, rock and pedestal displacement than can rising to reduce base.

合理的支座阻尼比可以起到降低基底剪力国产无套推油按摩女视频推油、晃動波高和支座位移的功能亚洲Aⅴ永久无码天堂。