桿鉆 的英文怎麼說
中文拼音 [gǎnzhēn]
桿鉆
英文
bar drill-
Development on impact circumrotate bolt drill
沖擊旋轉式錨桿鉆機的研製Research and development of new drilling bit for roof bolt driller
錨桿鉆機新型鉆頭的研製Mechanical behavior study on positive - displacement motor ' s flexible shaft
螺桿鉆具撓性軸力學模型建立及主控因素敏感性分析Pins headed, plain shank, drilled, steel alloy and corrosion resisting steel with a strength class 880 1 080 mpa
強度級別為880 1080mpa的帶頭平桿鉆頭式鋼合金和耐腐蝕鋼制銷釘Analysis of factors that influence working life of screw drill
影響螺桿鉆具工作壽命的使用因素分析Diamond press machine, synthetic diamond and its products various pressure containers other produts sucker rods, various derricks, drilling tools, hydraulic jacks, water swivels, hydraulic breakout tools, hydraulic pumping units and so on
該廠的主要產品有：地質巖芯鉆機工程施工鉆機水文水井鉆機汽車鉆機鉆塔泥漿泵金剛石壓機人造金剛石及製品液動螺桿鉆泵井壁管和抽油桿以及一Safety of unshielded tunnel boring machines and rodless shaft boring machines for rock ; german version en 815 : 1996 a1 : 2005
巖石用無防護隧道鉆機和無桿鉆井機安全Motor used in electric bolt - hole drill for coal mine
煤礦用電動錨桿鉆機電動機General technical condition of roofbolter for coal mining
煤礦用錨桿鉆機通用技術條件Wdtf is the manufacturing base for geotechnical drilling tools of cge. its main products are drilling tools for geological and engineering drilling, including wireline drilling tools, pneumatic downhole hammers, downhole drilling motors, synthetic diamond and its products, tungsten carbide and its products, various drilling pipes and tools. all products are reliable in quality, stable in performance and reasonable in price
無錫鉆探工具廠為中裝集團勘探和工程施工用鉆具的生產基地，主要生產各種地質勘探鉆進用鉆具和工程施工用鉆具，包括以繩索取芯工具系列風動潛孔沖擊器系列螺桿鉆具系列為代表的鉆探工具人造金剛石及其製品各種牌號的型號的硬質合金及其製品各種釬桿釬具等。Based on the last achievements in the field, a research on the dynamic mechanics properties of bha with bended screwdrill during rotary drilling was done. the research results reveal the dynamic mechanics properties of bha with bended screwdrill during rotary drilling
在國內外現有研究成果的墓礎上，對用螺桿鉆實施隱鉆跟蹤地質目標導向鉆並作業的特點及其鉆井時的滑動態、轉動態力學性能進行了分析和研究，揭示了導向鉆具在復合鉆進時的動力學特性。Rotary drill rod used for coal mining roofbolter
煤礦錨桿鉆機用回轉鉆桿The industrial test of the mz - 150 anchor rig
150型錨桿鉆機的工業性試驗Measure to improve reliability of ymz - 7. 5 hydraulic roofbolter
5液壓錨桿鉆機可靠性的措施Development of mz150 all - hydraulic multi - functional anchor drill
150型全液壓多功能錨桿鉆機的研製Manufacture and stability calculation of the gfrp supporter on pneumatic roofborer
氣動錨桿鉆機玻璃鋼支腿的製作和穩定性計算Medium - sized drilling rigs for cge, including xy series core drills, gq series engineering drilling machines, mgj series anchoring drilling machines, directional drilling machines and hydraulic components etc
系列錨桿鉆機和非開挖定向鉆機的生產基地，也是我國定點生產各種中淺孔液壓巖芯鉆機的中型骨幹企業。Drill bit for cutting anchor hole
錨桿鉆頭Rock formation to be suited to
錨桿鉆頭適應巖層對照表Abstract : a method was put forward for the detection of the fatigue cracks at the thread roots of a drill pipe by using ultrasonic wave. the specific detection probes were designed. simulated cracks were detected. the results show that the probes can effectively detect the cracks whose depth is more than 1mm and the detection errors of the depth and length of the cracks are less than 1mm and 3mm respectively
文摘:鉆桿螺紋根部疲勞裂紋是鉆桿鉆井服役中產生的常見缺陷類型，是鉆桿螺紋發生斷裂的重要根源.本文介紹了鉆桿螺紋疲勞裂紋超聲檢測原理，設計了專用超聲檢測探頭和檢測裝置，給出了檢測試驗結果，證明了鉆桿螺紋疲勞裂紋超聲檢測的可行性和實用性分享友人