英文: Medical equipment-artificial hollow bones, high precision parts deep hole drilling.中文: 医疗器材–人造骨中空孔、精密零件深孔加工.英文: And it is used successfully in shield tunneling, horizontal drilling, deep drilling,
ehongl一hulzh以an zuanlin冲击回转钻进(pereussive一rotary drilling) 利用专门的冲击器和钻机回转器共同驱动钻头破碎孔底岩石的钻进方法。其特点为:(1)钻进效率高,在坚硬、致密、弱研磨性地层尤其明显,特别是气动冲击回转钻进,可获得比回转钻进高几十倍的效率;(2)钻头寿命长;(3)有利于预防钻孔偏针,等等。但气...
4) deep-hole drilling 深孔钻 1. This paper took titanium alloy deep-hole drilling as a studying object. 以钛合金深孔钻削刀具为研究对象,针对钛合金材料的难加工特性,选择了几种常用的硬质合金刀片材料,并优化选择不同的刀片几何参数,进行了深孔钻削试验。 更多例句>> ...
deepwater drilling基本解释 深水钻井;深水钻进 深海钻进 分词解释 deepwater深海的,海洋上的,靠近海洋的 drilling演练v. 钻(孔)( drill的现在分词 )猜你喜欢 air drilling空气钻井 auger drilling螺旋钻进 combination drilling联合钻眼 core drilling取芯钻井 deepwater port深水港 diamond drilling金刚石钻井 ...
强烈 ,极 , 厚 严重 , 厚 理解 刻 奥 , 神秘 adv. 入地, 地 到很晚 比较级:deeper, deepest 副词:deeply 名词:deepness 近义、反义、联想词 近义词 n. middle,natural depression,depression,ocean adj. heavy,profound,sound,wakeless,abysmal,abyssal,unfathomable ...
acoms coms[translate] aBangbros Ally Kay Lily Labeau Magical Feet Ally Kay and Lily Labeau Doubles the Pleasure! Bangbros盟友凯百合Labeau不可思议的脚盟友凯和百合Labeau加倍乐趣![translate] adrilling, deep-hole drilling 钻井,深孔钻井[translate]...
获取原文 获取原文并翻译 | 示例 开具论文收录证明 >> 页面导航 摘要 著录项 相似文献 摘要 A remarkable event occurred in February 2012: the Vostok deep drilling project was complete at the Vostok station in Antarctica. Russian scientists were the first in the world to penetrate deep into the ...
网络深孔钻削;振动切削;钻削加工
deepest dive by a manned submarine, at 7,062 metres, giving China its place alongside the world's top ocean explorers The research conducted by these vessels is giving scientists a greater understanding of how the sea bed was formed, as well as helping identify areas for deep-sea drilling, ...
Measures prevent deviation ofdeep drillingand test method; 防治深孔钻孔偏孔及检测方法 更多例句>> 4) turbine tool 涡轮钻具 1. It took the lead ofturbine toolindustry and now was on the stage ofturbine toolwith reducers. 涡轮钻具由前苏联研制出来以后,得到了迅速发展,目前已发展到减速器涡轮钻具阶段...