旋轉鉆孔 的英文怎麼說
中文拼音 [xuánzhuǎnzhēnkǒng]
旋轉鉆孔
英文
rotary boring-
Rotary core drilling equipment - rotary core drilling equipment - specification for wireline diamond drilling equipment - system a. metric units
旋轉鉆芯設備.旋轉鉆心設備.鋼繩金剛石鉆孔設備規范. a系統:米制單位8 it can be used with various drilling method such as carbide bit drilling, anger drilling, dth hammer drilling, follow - up casing drilling etc. 3
8鉆機可適用多種鉆進工藝方法，如合金回轉鉆進螺旋鉆進潛孔錘鉆進跟管鉆進等。8 it can be used with various drilling methods such as carbide bit drilling, anger drilling, dth hammer drilling and follow - up casing drilling etc. 3
8鉆機可適用多種鉆進工藝方法，如合金回轉鉆進螺旋鉆進潛孔錘鉆進跟管鉆進等。8 the rig is suitable for various drilling methods such as carbide bit drilling, auger drilling, dth hammer drilling, follow - up casing drilling, etc. 3
8鉆機可適用多種鉆進工藝方法，如合金回轉鉆進螺旋鉆進潛孔錘鉆進跟管鉆進等。Yg - 80a construction drilling rig is a full hydraulic operated top drive power head drill. it is used to drill heavy duty pretension anchor hole at side slope of water power station, railway or highway projects, as well as drainage holes
Yg - 80a型錨固工程鉆機是在yg - 80鉆機基礎上研製的，科學分配鉆機性能參數，使鉆機更適合巖石潛孔錘鉆進跟管鉆進，同時兼顧土層合金回轉鉆進螺旋鉆進工藝。One of the key problems of designing the control valve of modulation rotary steering drilling tool is the design of high pressure hole of upside valve
摘要設計調制式旋轉導向鉆井工具控制閥的關鍵問題之一是上盤閥高壓孔的設計。According to the work principle, mechanical model theory and simulation analysis of the hydraulic control valve of the drilling tool, the optimal design parameters of the angle of center of circle of the high pressure hole of upside valve are proposed ; the influence of the charging and discharging lag times on palm supporting capacity is discussed ; and the theoretic basis of designing the control valve of the drilling tool is put forward in the paper
通過對調制式旋轉導向鉆井工具液壓盤閥機構的工作原理、力學模型的理論和模擬分析，給出了上盤閥高壓孔圓心角的最優設計參數；討論了充液、泄液滯后時間對巴掌支撐力的影響，提出了調制式旋轉導向鉆井工具控制閥機械設計和控制的理論依據。This work analyses the means of micro - fabrication and the facts that effecting the result of micro - fabrication nowadays, gives out a solution to reduce the gradient and improve the depth of the micro - hole
本文通過分析影響微孔加工質量的因素，提出減小微孔錐度和增加微孔深寬比的掩模旋轉鉆孔加工方法。Studies have shown, lead impeller nozzle it forms the hole to be equal to size of the nozzle, gush out from light, difficult to arrange bits and realize it cut one layer of advantages effectively ; under the equal condition, rotate the nozzle by oneself, can be designed in accordance with the actual need while vary the size of aperture of hole, gush out the distance longer effectively, it is apt to give play to the role of its pulse broken rock
以此設計出限速部分的參數，且初步討論射流功率與轉速之間的關系。研究表明，內導葉輪噴頭形成鉆孔孔徑與噴頭大小相當，有效噴距小，不易排屑和實現其切向剝層優勢；同等條件下，自旋轉噴頭，成孔孔徑大小可依實際需要設計，有效噴距較長，易於發揮其脈沖破巖作用。European peasants would insert a wooden drill in a round hole and rotate it briskly between their palms
歐洲的農夫將一個木鉆子放入一個圓孔並用手掌不停旋轉它。Comparing with non - rotating abrasive jet, the hole diameter and the volume of rock - breaking are many times larger than the former by use of rotary abrasive jet on the same condition
與非旋轉磨料射流相比，同樣條件下旋轉磨料射流鉆孔直徑和破巖體積都比前者高出多倍。It can be used not only to infer position of the magnetic body relative to the drill hole but also to make quantitative - semi - quantitative calculation and inverse interpretation and calculation of the distance and depth from head or tail of ore bodies to the known drill hole at surface by rotating an angle so as to design drilling depth, dip angle and orientation of the next drill hole
其作用不僅可以判斷磁性體相對于鉆孔的位置，而且可以進行定量和半定量計算，以及經旋轉一角度採用地面方法作反演解釋，計算礦體頭部或尾部距已知鉆孔的距離、深度，設計下一鉆孔的深度、頂角、方位角。An implement with cutting edges or a pointed end for boring holes in hard materials, usually by a rotating abrasion or repeated blows ; a bit
鉆帶切割刃或尖端的工具，用於在堅硬材料上鉆孔，一般靠旋轉磨損或反復擊打實現鉆孔Experiments show that rotary abrasive jet has double profits that are large hole diameter and high rock disintegration efficiency, and with the increment of pump pressure, the hole diameter also increases
結果表明，旋轉磨料射流破巖具有鉆孔直徑大和破巖效率高的雙重優點，並隨泵壓增加，鉆孔直徑也增加。Soil drilling apparatur for drawing soil samples in agricultural engineering ; rod, rotating borers, sampling spoon, sampling spoon for marshes, twist drills
農業工程用土壤鉆具.第2部分:鉆桿旋轉式鉆孔器取分享友人