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英語人>網(wǎng)絡(luò)例句>井架 相關(guān)的搜索結(jié)果
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井架

與 井架 相關(guān)的網(wǎng)絡(luò)例句 [注:此內(nèi)容來源于網(wǎng)絡(luò)1314午夜精品理论片,僅供參考]

This paper is devoted to the study of the torsional stresses in a reinforced concrete headframe of the frame cantilever-type under the unsymmetrical, horizontal load due to hoisting.

本文著重論述了鋼筋混凝土桿系懸臂式井架在提升鋼絲繩荷載的不平衡水平力作用下所產(chǎn)生的扭力計(jì)算問題综合欧美在线。

Steel structure headframe ; enlarging cross-sections ; finite element model ; dynamic test

鋼結(jié)構(gòu)井架;增大截面国产真实激情在线观看电影视频;有限元久久精品福利第一区;動(dòng)力測試

The headframe structure studied is composed of two trusses in the direction parallel to the hoisting load, and two rigid frames in the perpendicular direction.

按桁架框架型井架在斷繩荷載作用下,考慮扭力計(jì)算與不考慮扭力計(jì)算国产综合久久精品综合AV无码,其結(jié)果在线观看春药毛片,平行于鋼絲繩力方向的桁架內(nèi)力可減少10~20%左右;垂直于鋼絲繩力方向的框架內(nèi)力則增加100%(即91亚色视,若不考慮扭力計(jì)算框架時(shí)無內(nèi)力)黄色免费在线国产。

Lake Maracaibo bristling with derricks, visitors may be viewing the scenery oil fields.

馬拉開波湖上井架林立,游人可飽覽油田風(fēng)光欧美综合亚洲日韩精品区换脸。

Based on a simple and applicable method for sensitivity analysis, the updating parameters were determined such as material, cross shape and size of the main loading rods in the rig derrick. The optimal updating function was established according to the residual differential value between testing modal parameter and theoretical modal parameter.

依據(jù)簡單實(shí)用原理国产在线观看黄AV免费麻豆,利用靈敏度分析方法確定了井架結(jié)構(gòu)主要承載桿件的材料、截面形狀和幾何尺寸為待修正參數(shù)欧美XXXX欧美;以試驗(yàn)?zāi)B(tài)參數(shù)和理論模態(tài)參數(shù)之間的殘差最小值構(gòu)建優(yōu)化修正函數(shù)66jb影院是什么,利用一階搜索優(yōu)化算法對待修正參數(shù)進(jìn)行了優(yōu)化和狀態(tài)評估。

We put up at the surface an oil derrick.

我們就在那里豎起一個(gè)井架污黄色片99精品人人操人人插。

When it has been decided where we are going to drill , we put up at the surface an oil derrick .

當(dāng)確定鉆孔地點(diǎn)后亚洲国产青春福利,我們就在那里豎起一個(gè)井架

When it has been decided where we are going to drill, we put up at the surface an oil derrick

我們決定要哪鉆孔時(shí)a片一级视频,我們在表面放置鉆油塔當(dāng)確定鉆孔地點(diǎn)后欧洲欧美精品黄片,我們就在那里豎起一個(gè)井架

When it has been decided where we are going to drill, we put up at the surface an oil derrick .

當(dāng)鉆孔地點(diǎn)決定后欧美性爱AAAAA视频,我們就在那塊地面上堅(jiān)起一個(gè)井架91露脸经典对白。

When it has been decided where we are going to drill, we put up at the surface an oil derrick.

決定了鉆孔位置后,我們就在地面上豎起井架一级A片黄片免费。

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And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

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