"钻头"是个多义词,它可以指钻头(破碎岩石的主要工具),钻头(动画片《宇宙星神》中的角色)。
施工机械的妙用_建筑施工论文 关键词:桩基础,施工机械,钻机,钻头 [gap=511]Keywords: pile foundation, construction machinery, the drill, the drill bit
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对孕镶金刚石钻头磨损规律的探讨——钻头内径磨损常大于外径磨损的原因 - 中南大学学报(自然科学版、英文版) 关键字: 金刚石; 钻头; 磨损[gap=790]Key words: diamond; bit; wear
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牙轮钻头 roller bit ; rock roller bit
钻石钻头 diamond bit ; diamond drill ; Bit diamond
金刚石钻头 [地质] diamond bit ; diamond drill bit ; [机] bort bit ; [地质] diamond head
钻头夹盘 Spannfutter ; Drill Chuck Mounting Arrangements
钻头直径 Drill Diameter ; [机] bit diameter ; BS ; Dnll Diameter
草间钻头蛛 Hylyphantes graminicola
麻花钻头 [机] auger bit ; [机] twist bit ; Twist Drill ; auger-drill head
螺旋钻头 [木] auger bit ; spiral bit ; shearder ; auger drill head
高速钢钻头 High Speed Steel Bit ; High-Speed Steel Drill ; Speed Steel Drill
It allows for the optimization of both single bit and multiple bits of all well.
它既考虑了单只钻头、又考虑全井多只钻头的优化。
参考来源 - PDC钻头钻井参数优化模型与应用研究·2,447,543篇论文数据,部分数据来源于NoteExpress
当钻头上下钻时,要把钻孔保持在中心。
Keep the drill centred in the borehole while it ascends and descends.
我们家中所使用的无线手提工具,比如真空吸尘器、手电筒、钻头和锯,都来自于早期太空项目里的技术。
The cordless, hand-held tools we use in our homes, such as vacuum cleaners, flashlights, drills and saws came from the technology of these early space programs.
为了找出钻头可能导致心跳加速的原因,Karibe 根据志愿者对看牙医的恐惧程度,将他们分为低恐惧组和高恐惧组。
To find the reason why a drill might bring on a racing heart, Karibe divided the volunteers into low fear and high fear groups based on how much they feared a trip to the dentist.
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