rock bit 中文意思是什麼

rock bit 解釋
牙輪鉆頭
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  • bit : n 1 少許，一點兒，一些；（食物的）一口，少量食物。 〈pl 〉 吃剩的食物；小片。2 〈口語〉一會兒，一...
  1. Welded drill rod and bit for low - compressive strength rock

    焊接結構軟巖鉆桿與鉆頭
  2. I ' m a little bit country and i ' m a little bit rock and roll

    我是鄉村派的我是搖滾派的
  3. Fry flour to fry flour : wheat flour puts a bit oil to break up in boiler fry ripe hind, one spoon puts ok and direct spoon in the mouth slowly mian is worn eat, also can put in the companion in molar sesame seed, walnut, rock candy to be become together eat paste of similar sesame seed

    炒麥粉炒麥粉：小麥粉放一點油在鍋里翻炒熟后，可以直接勺一勺放嘴裏慢慢眠著吃，也可以放在磨碎的芝麻、核桃、冰糖里伴在一起成吃類似芝麻糊。
  4. Because of the lower rock fragmentation efficiency and defective geometrical shape of chisel bit, sweden has replaced chisel bit with taper connecting cross chisel bit and button bit since the mid - seventies

    因一字形釬頭破巖效率低和幾何形狀結構缺陷等問題，瑞典從70年代中期就用錐體連接的十字和球齒釬頭取代了一字形釬頭。
  5. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣
  6. It has dark color, fruit flavor, increasing rock flavor, long and clear fruit aftertaste, increasing sweetness, declining sourness, heavy, but a bit of unsmooth, deep aftertaste, full taste

    色偏深，果香，石頭味上揚，回味果香清冽持久，甜度曲線上升，酸度下降，更加厚重但有點澀，回味很深，口感非常充分
  7. Study on pz modular roller - cone bit and rock drilling technology

    系列組合牙輪鉆頭及其嵌巖技術的研究
  8. Tri - cone rock bit is the important tool in oil drilling, so its capability and quantity affect the speed and cost of oil drilling greatly

    三牙輪鉆頭是石油鉆井的重要工具，其性能和質量對鉆井速度和成本影響很大。
  9. The structure of tri - cone rock bit is complicated. as the cutting structure touch the stratum directly, it affects the process of breaking rock and the performance of tri - cone rock bit

    三牙輪鉆頭結構復雜，其中齒面結構直接與地層接觸，對于巖石破碎過程和鉆頭工作性能的影響最大。
  10. The crucial technologies of highly - displacement well mainly include torque / friction and wellbore trajectory control tool, and these technologies require rock bit have the following characteristics : having gage protection ability, long axletree lifespan, wear - resisting shirt - tail and head o. d., and high - temperature - resistant sealed system, etc

    大位移井的關鍵技術主要有扭矩摩阻和井眼軌道控制工具，這些技術要求鉆頭具有以下特點：具有良好的保徑能力，軸承壽命長，掌尖和掌背部位耐磨損，密封系統耐高溫等。
  11. Alev ： i think it is modern rock with a little bit of heavy metal

    我認為我們的音樂風格是混合了一點重金屬的現代搖滾。
  12. Rod taper for detachable rock - bit

    可卸式鑿巖釬頭用錐形釬桿
  13. 3. solve the key problem during the 2d engaging design of the tri - cone rock bit. if you move or rotate any insert with mouse, the other two inserts in the same cycle change same positions

    解決了三牙輪鉆頭二維嚙合設計中的關鍵技術?聯動布齒，通過鼠標移動和旋轉任意一個牙齒，同一齒圈上的其它兩個牙齒做相同的位置變動。
  14. Carbide detachable bit for rock drilling

    鑿巖用硬質合金釬頭
  15. On the basis of analyzing the rock mechanics, the bit working circumstance and property in the bottom hole of 6000m deep well, and making use of the former equipment such as a derrick, platforms etc, the paper demonstrates that the research and design of the mechanical device have been established including the high pressure simulating well bore, the high pressure connector between the static well bore and the rotating drill pipe, the high pressure simulating system of circulating fluid and the high pressure desander etc. the produce, control and dynamic analysis of the bottom hole four - dimensional pressure ( over burden, confined, pore and column pressure ) have been studied

    本文在對井底巖石的受力狀態以及鉆頭的工作環境和特性加以分析的基礎上，藉助原有的井架、平臺等設備，研究設計了模擬6000米井底壓力壞境的高壓模擬井筒、鉆柱高壓轉聯器、鉆井液高壓模擬系統以及高壓除砂器等機械裝置，並研究了井底四維模擬壓力（上覆壓、圍壓、孔隙壓和液柱壓）的產生、控制及其控制的建模與模擬，從而實現井深至6000米的四維井底壓力環境的模擬。
  16. By means of the drillstring ' s finite element model and the numerical solution method, and based on the mechanical models of bit / rock interaction, the dynamic models for torsional vibration of cone bits and drillstrings are established

    利用鉆柱動力學有限元模型的數值計算方法，在考慮了鉆頭與巖石互作用力學模型的基礎上，建立了鉆頭和鉆柱扭轉振動動力學模擬模型。
  17. Torsional vibration simulation analysis of drilling string and rock bit

    鉆井用鉆頭和鉆柱扭轉振動的模擬分析
  18. 7. assemble inserts and cones respectively, and prepare for calculating 3d engaging distance of tri - cone rock bit

    對牙輪和牙齒分別進行了裝配，為三維嚙合間隙計算做了充分準備。
  19. Application the system to the design of tri - cone rock bit, will shorten the developing cycle of new products, and improve the design quality, and increase the technology innovation of enterprise and enhance the market competition

    通過本軟體的應用，可以縮短三牙輪鉆頭的設計周期，提高產品的設計質量，提高企業的技術創新能力和市場競爭能力。
  20. It is not reported that any software has been developed on the engaging design of tri - cone rock bit with pro / e workbench in china and other countries. therefore, this software is developed with pro / e2000i on 2d engaging design and 3d models design of cones and inserts and their assembly, and the program languages are pro / toolkit and delphi

    在pro e環境下開發三牙輪鉆頭的嚙合設計在國內外還未見到，因而本系統選擇pro e為二次開發平臺，採用參數化設計思想，利用pro toolkit和delphi聯合編程，適合三牙輪鉆頭二維嚙合設計、牙輪牙齒三維實體造型和裝配。
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