main hole 中文意思是什麼
main hole
解釋
主孔-
At present, the competition of oil industry is very fury, so reducing the cost of exploitation of oil is imperative under the situation. but the oil drillers of our country are relatively old, and the control mode drops behind, which result in the long period of making hole and high ratio of aiguille attaint, which is the main restrict factor of reducing the cost of oil exploitation
隨著石油行業競爭的日趨激烈，降低石油的開采成本就勢在必行，於是研製新型的石油鉆機就顯得尤為重要，因為國內目前使用的鉆機比較陳舊，控制方式非常落後，導致鉆井周期長、鉆頭損壞率高，這是降低石油開采成本的重要制約因素；而且落後的控制方式使得鉆井過程容易發生溜鉆、卡鉆等事故。 -
Landslide is a geological hazard with serious losses. it is very important to research the controling methods. slide - resistant pile, which has many advantages such as high adaptability, little interference to landslide and geological environment, short construction time, high silde resistance, is a main method to control landslide. pneumatic down - the - hole hammer is a drilling method with many advantages. its features, such as wide application range, high hole quality, no circulating medium, low operation regulations, and drilling big diameter rock hole, fit to construct slide - resistant pile. according to the requirement of silde - resistant pile construction, this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer. then an applied example is given
滑坡是一種危害極大的地質災害，它的整治方法研究具有重要意義.抗滑樁是一種適應性強、對滑坡穩定性和地質環境干擾小、工期短、抗滑能力強的滑坡整治方法.風動潛孔錘鉆進是一種具有許多優點的鉆進方法，它的許多特點，如成孔質量高、應用范圍廣、無液體循環介質、鉆進規程參數小、可實現大直徑基巖鉆孔等都適合於抗滑樁施工.文章在介紹風動潛孔錘鉆進特點的基礎上，根據抗滑樁施工要求，分析了風動潛孔錘用於抗滑樁施工的可行性，並舉出了其應用實例 -
The current travel the main contents of culture stanzas to include the building mountain district exquisite article the resources to display, the literature performance wait the activity. the building mountain that rites part is solemn is cultured, and perform the part of and happiness and crazy, outstanding suburb color, mold the clear suburb topic of to emerge with the consciousness with the the new atmosphere to travel the area of big area, culture. the current travels the culture stanza with the happy suburb, sahuan building mountain " for the topic, travel the culture stanza the opening ceremony and saint mountain the scenery to spend a holiday the area to start practice the celebration ceremony the rites, building mountain the economic trade to talk over the meeting with the tenth building mountain, continuously the fire of the human civilization the motherland is good, the capital city is beautiful " three corpus activities of activities of publicity educations are with the stanza of white grass cookhouse ground sahuan son ", ten cross river the light stanza, celebrate the 7 1 " hall the whole image for ascending folk king of country whip performing, cloud residing the the series the activity, the spending the hole, silver the fox the hole, fairy the the hole, cloud the water hole " fourth holes look foring the competing and go to the countrying is a farmering, cut in lining " experience personallying a day swiming sixth items prop upping the activity to main contents, molding the root in peking the, hole the kingdom " ; release the north line of building mountain to travel the hallway, and adjust the mountain area the environment of economic construction, ecosystem, and promote the farmer to increase to accept, quickly the building mountain travel a developments step, and go on a tour for whole municipal and periphery visitor, recreational, the amusement invest with chinese and foreign businessman to start a business the offering is more, more ideal choice. attraction the more people travel the building the mountain, investment into the building mountain, and further push that area to completely develop
儀式部分莊重典雅，表演部分歡樂狂野，突出郊野色彩，塑造鮮明的郊野主題和親和意識，展現房山旅遊大區文化名區的新氣象。本屆旅遊文化節以「 happy郊野撒歡房山」為主題，以第十屆房山旅遊文化節開幕式暨聖蓮山風景度假區開業慶典儀式房山經貿洽談會續燃人類文明之火「祖國好京城美」宣傳教育活動三項主體活動和白草畔野營地「撒歡兒節」十渡河燈節慶「七一」堂上鄉村民俗霸王鞭表演雲居寺祈福迎祥系列活動「石花洞銀狐洞仙棲洞雲水洞」四洞尋寶比賽及下鄉務農「插隊」體驗一日游六項支撐活動為主要內容，塑造「北京根祖，溶洞王國」的整體形象推出房山北線旅遊走廊，調整山區經濟結構，優化生態環境，促進農民增收，加快房山旅遊黃金圈建設步伐，為全市及周邊遊客出遊休閑娛樂和中外客商投資創業提供更多更理想的選擇。吸引更多的人旅遊到房山投資進房山，進一步推動該區全面發展。 -
Southeast of the ccsd main hole, there are quite a few such reflectors, implying that eclogite bodies exist in the extension direction of the surface eclogite body
在ccsd主孔東南方深部重力高部位有多個這樣的拱形反射，預示在地表陡傾榴輝巖的延伸方向還有多個一定規模的隱伏榴輝巖體。 -
The workman accidentally drilled a hole in the gas main
那個技工意外地在煤氣總管上鉆了一個洞。 -
The main popular theoretical method adopted to study end - plate connection is finite element technique under monotonic loading at present. this paper applies nonlinear ( material, geometry and contact ) finite element method to analyze the behaviors of connections under cyclic load at fist time. contact elements are set between end plate and column flange, screw cap and neighborhood plane, bolt bar and hole
對于端板連接的理論分析，目前國內外的研究主要局限在單向加載有限元分析范疇，本文首次採用三維非線性（包括材料、幾何與狀態非線性）有限元對端板連接進行了循環加載分析，端板與柱翼緣間、螺栓頭（帽）與相鄰板件間、螺栓桿與孔壁間都設置了反映邊界狀態的接觸單元。 -
The main product of our company includes : polyurethane constant slot screen panel with high hole - rate tied to mining vibrating screen, stainless steel screen panel, centrifuge basket, high strength milling - resistance pipe, milling - resistance valve of all kinds and steel structure
簡介：本公司提供：與礦用振動篩配套的高開孔率聚氨脂連續篩縫篩板；不銹鋼篩板；離心脫水機篩藍；高強度超耐磨管；各種耐磨閥門及鋼結構。 -
And simulation analysis was made on the influences of the young ' s modules in the two main directions upon the hole - edge stress
並對兩個主方向的楊氏模量的變化對孔邊應力的影響進行模擬分析。 -
3lift up the ceiling assembled thread the iron wire to the hole of main carrrier 4proceed to level adjustment after paving all ceiling tiling squares
3將預裝好后的格柵天花吊起鐵線穿在主骨孔內 -
This paper reviewed the researches and applications of seismic techniques in mining exploration in detail, including the fundamental researches composed of acoustic properties and scattering characteristics, regional reconnaissance studies. 2 - d and 3 - d surface seismic imaging and down hole seismic imaging, and pointed out the main seismic method used in mining exploration is reflected wave methods at present
摘要系統地總結了國內外現有金屬礦地震勘探技術及其研究與應用現狀，其中包括巖石物理性質分析和散射波場特徵分析等基礎研究、區域普查地震技術、二維和三維地震成像技術及井下地震勘探技術。 -
The main products have : metersconvex plank, meters hurtle hole plank, hotel products, curtain wall, curtain ceceiling, advertise ligh box, stainless steel plank, and all kinds of metals accessory products, and also can produce decorate products according to your needs
公司主要生產：鋁質幕墻、金屬天花、金屬凸紋板、金屬沖孔板、酒店用品、廣告燈箱、不銹鋼造型板及各種金屬裝飾配件產品，並可根據各種設計要求生產加工千變萬化、精巧異型的裝飾產品；任君選擇，盡您所需！ -
The nancha suspending - gay bridge of the changjiang road - bridge in jiangshu runyang, with a main span of 1490m, ranks first in china, third in the world. the north rivets, only 250m from the main stream of changjiang, have a tight liaison with the waterpower of it. especially, in this area, the face of rocks undulates a lot and exist fault - fabric. the soil there has apparent difference with the trend of water. the base - hole of north rivets can be named a super - deep one, with a 60m length, 50m widths, and 48m depths. the fence of the base takes advantages of the rectangular underground continuous wall structure and succeeds
江蘇潤揚長江公路大橋南汊懸索橋，主跨1490m ，居中國第一，世界第三。該橋的北錨碇距長江幹流僅250m ，與長江水力聯系密切，錨碇區水文、地質情況復雜，表層淤泥質土及松軟粘土層較厚，基巖頂面起伏較大，且存在斷裂構造，土層具明顯的流變特性。北錨碇基坑為長60m 、寬50m 、深48m的矩形超深基坑，其基礎圍護在國內首次採用矩形地下連續墻結構，並獲得成功。 -
Our main products are stainless steel mesh, dutch wire mesh, window screening, welded wire mesh, crimped wire mesh, hexagonal wire mesh, black wire cloth, expanded wire mesh, brass wire mesh, link fence, round hole mesh, mine sieving mesh, conveyer belt mesh, iron chromium aluminium wire cloth, etc
本公司主要生產不銹鋼網席型網電焊網窗紗軋花網六角網黑絲布鋼板網圓孔網菱形網填料網銅絲布燒烤網礦篩網輸送網帶鐵鉻鋁絲布等絲網產品。 -
On the other hand for four main vegetation typies, which are picea crassifolia, forests sabina przewalskii forests, bushes and pastureland, whose soil permeability function was analyzed from angle of its physics, capacity of water, storing water in it. the results show as follow : permeability function of soil is controlled by quality of soil hole. the quality and quantity of soil hole under picea crassifolia forests are the best, and the permeability also is the best
另外，從土壤物理性質、蓄水量、貯水量等角度對祁連山苔蘚雲杉林、祁連圓柏林、亞高山灌叢林、牧坡草地4種主要植被類型的土壤滲透功能進行分析，結果表明：土壤的滲透功能主要由土壤非毛管孔隙度的質和量決定的，苔蘚雲杉林土壤非毛管孔隙度的質和量最好，它的滲透也最好；雖然亞高山灌叢林的滲透功能次之，但由於它所處的位置和面積大，現實貯水量在祁連山四種主要植被類型中最大。 -
1. under the same kind of wall rock and the same condition, displacement of pipe liner is symmetry, for tunnel structure and suffered load are symmetry. as level terra stress is bigger, the maximum of displacement and the first main stress occur in tie - in of pipe liner structure, and its direction is radial and points in hole ; the direction of the third main stress is annular and its maximum occurs in top and bottom hole inner
1 、同一類圍巖在同一種工況下，由於結構和荷載的對稱性，管片襯砌結構的位移也表現出對稱性，因水平向地應力較大，位移最大值、第一主應力的最大值發生在管片襯砌結構的接頭處，方向為徑向指向洞內；第三主應力的方向為環向，較大值發生在洞頂和洞底內側。 -
Additions of carbon for improved slag resistance. spinel formation improves hot strength, slag resistance and brick joint erosion. 3 repairing material for bof uses fused magnesia or sintered magnesia as the main raw material and after modifid pitch and special additives are added, it has the following characteristcs than other conventional converter pitch temperature, shorter sintering time, longer service life and less pollution. it is mainly used for repairing converter working face, also for tapping side, tapping hole and bottom
3 ，轉爐大面補料是採用電熔鎂砂或燒結鎂砂為主要原料，通過加入改性瀝青和特種添加劑使它和傳統瀝青補爐料相比具有高溫附著性好燒結時間短流動性好使用壽命長污染小等特點，主要用於修補轉爐迎鋼面通常稱「大面」也可以用於修補出鋼側，出鋼口及爐底等部位。 -
Above all, the surface of the gas turbine blade including stator and rotor heat transfer coeficience with no film cooling hole was studied with the main stream reynolds number of 150000, 200000 50000, 300000, 350000, 400000. then, the heat transfer coefficience when all cooling holes opened and only one cooling hole opened was studied partly. and it ' s studied how the mainstream reynolds number, blowing ratio and the position of holes affect the heat transfer coefficience of the surface of blade
對導葉和動葉，都是先研究了在150000 ， 200000 ， 250000 ， 300000 ， 350000 ， 400000雷諾數下，沒有氣膜冷卻時的表面換熱系數分佈，然後研究了氣膜孔全打開和只打開單排孔時的表面換熱系數分佈曲線，重點研究來流雷諾數，吹風比和不同孔位出流對換熱系數分佈的影響規律。 -
The author ' s main contributions are outlined as following : first, the roles of hot electron and hole in dielectric breakdown of ultra - thin gate oxides have been quantitatively investigated by separately controlling the amounts of hot electron and hot hole injection using substrate hot hole ( shh ) injection method. the changes of threshold voltage have been discussed under different stress conditions
主要研究結果如下：首先，利用襯底熱空穴（ shh ）注入技術分別控制注入到超薄柵氧化層中的熱電子和空穴的數量，定量研究了熱電子和空穴注入對超薄柵氧化層擊穿的影響，討論了不同應力條件下的閾值電壓變化。 -
Consequently, we can conclude that the machining center ' s synthetical precision has the directive connection with the outline precision of the practical machining workpiece, thereout, separately establishes the different guidelines - milling surface ( including groove ), boring hole and three dimensional outline machining precision, which correspond to the main machining types of the inspected machining center
從而可得出與實際加工零件的型面輪廓精度直接對應的加工中心綜合精度，並由此分別確立與被測加工中心主要加工類型?銑面（含溝槽） 、鏜孔和三維輪廓加工等加工精度相對應的加工中心精度的判別指標。 -
Since the inception of this project in 1998, three pre - pilot holes have been completed and the main hole has reached a depth of over 3500 m
從98年開始，已經完成3個預先導孔的鉆探工作，主孔鉆進深度已經超過3500米。
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