According to the model, the deflection and main pre-brace parameters are illustrated with the Jinsong station of the tenth line in Beijing. It demonstrates that the curve shape of theoretical result, computing result and the on-set measure result are uniform in the main and the change law is similar; that the circumferential space of pipe-roof has a optimum value while satisfying the pre-brace function; that the relation between diameter of steel pipe and flexibility of barrel vault meets negative exponential function. And the diameter of steel pipe has a optimum value.

依據(jù)該模型性色生活毛片免费无码观看，以北京地鐵10號(hào)線(xiàn)勁松車(chē)站管棚支護(hù)為例，著重對(duì)管棚的撓度和主要支護(hù)參數(shù)進(jìn)行的分析表明：理論結(jié)果與計(jì)算結(jié)果和現(xiàn)場(chǎng)量測(cè)結(jié)果的曲線(xiàn)形狀基本相同国产,日韩,欧美一区在线，變化規(guī)律相似国产第一次破苞视频网站观看；在滿(mǎn)足預(yù)支護(hù)作用的同時(shí)，存在相對(duì)較優(yōu)的管棚環(huán)向間距花蝴蝶免费高清在线视频观看；鋼管直徑與管棚撓度之間符合負(fù)指數(shù)函數(shù)關(guān)系亚洲免费色视频，管徑存在最佳值。

A novel structure of Corrugated pipe diaphragm pump is proposed. A model of corrugate pipe is built base on the prototype used in ShenHua coal-to-oil conversion technology experimental base. The distribution of stress in the corrugated pipe diaphragm is analyised using COSMOS/Works finite element simulation.

提出了一種采用波紋管隔膜取代平板隔膜的新型隔膜泵午夜久久性爱一区；以某煤制油中試基地試驗(yàn)樣機(jī)的波紋管隔膜為例在限福利影院，建立了波紋管隔膜計(jì)算模型，應(yīng)用COSMOS/Works有限元軟件計(jì)算了波紋管隔膜工作應(yīng)力并分析了其應(yīng)力分布規(guī)律美女www片免费。

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(duì)南京市城市天然氣利用工程的埋地管道亚洲鲁在视频在线观看，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A片大全啊啊啊www，并進(jìn)行了試驗(yàn)研究精品国产国语对白A…V，同時(shí)進(jìn)行了風(fēng)險(xiǎn)評(píng)價(jià)，主要研究?jī)?nèi)容與結(jié)論如下：(1)通過(guò)有限元計(jì)算分析国产交换配乱婬视频a1024，研究了不同地基性質(zhì)特黄把女人弄爽又粗又大A片、支座包角和地面載荷對(duì)埋地管道極限載荷的影響。

In order to settle the problem of adjusting the surface level of liquid in U type pipe, the author improves the liquid piezometer. The scoop type pipe is used instead of the U type pipe, and is fixed on a board with scale. And the detection head is fixed on the rail which can slide up and down.

為了解決液體壓強(qiáng)計(jì)中U型管液面難以調(diào)平的問(wèn)題久草女人爽爆在线播放，對(duì)該裝置進(jìn)行了改進(jìn)国产成熟女人性满足视频，將U型管改為勺型管，并固定在有刻度的展示板上日韩美女靠逼一区二区精品视频，同時(shí)將探頭固定在可上下滑動(dòng)的橫桿上欧美A∨视频一中文字幕，使其可以沿著有刻度的金屬桿移動(dòng)。

The composition of the device comprises a substrate and a cover plate. A cross-form groove is disposed on the base material of the substrate; a disperse phase fluid inlet pipe and a fluid outlet pipe are respectively inlaid in the groove to form a coaxial sleeve structure; a continuous phase fluid inlet pipe is embedded in a groove on the two sides and connected with the coaxial sleeve; and the cover plate is hermitically attached to the upper surface of the substrate and seals the groove.

其組成包括基片和蓋片：所述基片的基材上開(kāi)有一個(gè)十字型凹槽婬片A片AAA毛片AV；分散相流體入口管和流體出口管分別嵌入到凹槽內(nèi)形成同軸套管結(jié)構(gòu)天天日日日干；連續(xù)相流體入口管嵌入到兩側(cè)的凹槽內(nèi)與所述同軸套管相連；所述蓋片緊密貼合在所述基片的上表面上將所述凹槽進(jìn)行密封久久性爱小说。

All parts that will contact ethanol in the divece such as condensor,buffer tank,coolingsnake pipe ar e made of stainless stwwl in order to guarantee that the finished product,ethanol ,is not polluted,Nodel Wstill may use disassembled U type heating pipe.When maint enance,it can be removed out of the still,So it is very convenient to clean the o uter wall of heating pipe and the inner wall of still.

本裝置中凡接觸酒精的設(shè)備部分国产精品999视频，如冷凝器欧美精品永久，穩(wěn)壓罐，冷卻蛇管等均采用不銹鋼中文字幕乱伦91，以確保成品酒精不被污染黄色网站国产日本。W型之蒸餾釜采用可拆式U型加熱管，在檢修時(shí)可將U型加熱管移出釜外人人操人人鲁操肉肉，便于對(duì)加熱管外壁及蒸餾釜內(nèi)壁進(jìn)行清洗亚洲日本久久。

In the way of prophase preparing, this paper emphasizes the importance of full collecting inhering under pipe using no-dig horizontal directional drilling paving in the busy street and emphasizes the exploration technology being the main mean of inhering under pipe. Thus it can provide the main pledge measure of under pipe security and operator security.

在前期準(zhǔn)備方面，本文強(qiáng)調(diào)在鬧市區(qū)采用非開(kāi)挖定向鉆進(jìn)鋪設(shè)地下管線(xiàn)時(shí)全面收集原有地下管線(xiàn)資料的重要性一级国产男女性爱带套午夜那些事，強(qiáng)調(diào)物探技術(shù)是對(duì)原有地下管線(xiàn)探查的重要手段日韩A片无码毛片免费视频，即保證原有地下管線(xiàn)安全性及操作人員人身安全的重要保證措施。

The measuring system comprises a coal transmission pipe, and the emitter and the receiver are arranged at two sides of the coal transmission pipe and positioned along the radial direction in a staggered way, thus leading the transmission direction of a microwave signal that is emitted by the emitter and the flowing direction of the pulverized coal in the coal transmission pipe to form an offset angle between 30 and 60 degrees.

該系統(tǒng)包括輸煤管wdi5.com，發(fā)射器和接收器設(shè)置在輸煤管兩側(cè)毛片视频在线播放，并沿徑向錯(cuò)位安裝以使發(fā)射器發(fā)射的微波信號(hào)傳輸方向與輸煤管內(nèi)的煤粉流動(dòng)方向成偏角，該偏角為30～60°欧洲性交一极毛片。

By utilizing stage to stage control method, the walking robot realizes static gait walking, the in-pipe robot can walk in the pipeline forward and backward, up and down, left and right, can pass"L"shape and"T"shape pipe connector, can pass in and out pipe nozzle.

采用基于馬氏體相變的分階段驅(qū)動(dòng)控制方法黄片一级无码视频在线，步行機(jī)器人實(shí)現(xiàn)了靜步態(tài)行走，管內(nèi)機(jī)器人實(shí)現(xiàn)了管內(nèi)前后久久久特级黄毛片免费看、上下欧美午夜艳、左右全方位行走，可通過(guò)&L&型在线一区精品、&T&型管接頭羞羞漫画免费观看网站，可進(jìn)出管口。

The wire winding wheel has one left disc with two sections of circular wall to form the power cable inlet and embedding opening and positioning hole in the peripheral of the shaft pipe; one right disc with central shaft pipe, positioning expansion pipe capable of being inserted into the positioning hole and circular wall in the same radius as that in the left disc; and one power cable winding shaft inserted into the circular walls to form one integral and with power cable inlet.

本發(fā)明在左內(nèi)凹盤(pán)的反面圓臺(tái)上相對(duì)位置突出2段弧形圍壁在线观看AV地址，成為電源線(xiàn)導(dǎo)入口和對(duì)側(cè)的嵌入豁口人人人人干人人摸人人，軸管外圍分設(shè)定位孔；右內(nèi)凹盤(pán)反面圓臺(tái)中央也突出軸管免费在线a片视频，其外圍對(duì)應(yīng)定位孔的位置上設(shè)置可插入孔內(nèi)的定位脹管无码一区一区，環(huán)設(shè)的環(huán)圍壁與左內(nèi)凹盤(pán)的反面圓臺(tái)上弧形圍壁對(duì)應(yīng)等徑；嵌入圍壁插入嵌入豁口而成為一體的設(shè)有電源線(xiàn)導(dǎo)入口的繞線(xiàn)軸91免费在线免费。