...词：旋挖机施工；机械成孔；碎石回填层；成孔技术 [gap=294]Key words: rotary drilling machine construction; mechanical hole; crushed stone backfill layer; drilling technology ..
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mechanical hole-making poured 机械成孔灌注
mechanical hole perfusion post 机械成孔灌注桩
Armor Mechanical Key Hole 装甲机械锁头
mechanical safety pin hole 机械保险锁孔
It still is a difficult subject for most drilling engineers to predict and control well path by applying the mechanical analysis of bottom hole assembly and the rock-bit interaction model.
利用下部钻具力学分析和钻头与地层相互作用模型来预测和控制井眼轨道对于大多数钻井作业来说仍是一个难题。
To the problems occurring at using down hole mechanical sample noil and gas Wells, aptitude microelectronic high pressure sample has been studied.
针对油气井井下机械取样器在使用过程中出现的问题，研究开发出了智能型微电子高压物性取样器。
And then workout the computational programme to identify the salt rock rheological models and mechanical property inversion, well hole diameter shrinking rule.
编制了盐岩流变模型辨识及力学参数反演、井眼缩径规律的计算程序。
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