This paper analyzes the drill-burying accident and puts forward prevention measures combined with engineering practice.
本文对埋钻事故进行分析,提出了预防措施,结合工程实例,对埋钻事故分析更加清晰。
In bridge bored pile construction,assembly dropdown,drill-burying and drill-sticking accidents occur frequently.
桥梁钻孔桩施工中经常出现掉钻、埋钻和卡钻等病害,结合工程实际,本文介绍了在钻头打捞困难的情况下采用注浆法对钻孔灌注桩进行加固处理的方法,供工程界同仁参考。
It is introdeced about the process method of buried hole druing drilling the underground hole, and this method is useful for drilling the underground hole in the future.
本文以淄矿集团济北矿区唐口煤矿2302面轨道顺槽探三灰 J14号孔埋钻事故为例,介绍了煤矿井下钻探施工中埋钻事故的处理方法,为同类工程施工提供经验。
a growing realization of the risk involved; a sudden consciousness of the problem he faced.
经过一个月的埋头钻研,他对事情有了更深的领悟。
To drive(a screw or bolt)into a countersink.
将钻或螺栓置入埋头孔
Those who immerse themselves in scientific research and work at it doggedly should be encouraged.
有的人一头钻到科研里面埋头苦干，应当鼓励。
A hole with the top part enlarged so that the head of a screw or bolt will lie flush with or below the surface.
埋头孔顶部扩大的孔，为使钻或螺栓的头与地面相平或在地面以下
unit-type drill head
组合钻床钻头, 标准钻头
drill(ing) head
钻头; 主轴头; 钻床床头箱; 钻削动力头;钻头头部, 钎头
part of a drill that grips the bit
夹头（钻或钻床上用以夹住钻头的部分）.
a small bit that drills a first hole to guide a larger drill.
钻凿初洞来导引大钻头的一种小钻头。
A Dutch diamond cutter was busy at his craft while the car twisted its way down some pretty bumpy roads.
当汽车在一条相当崎岖不平的道路拐来拐去时，一名荷兰的钻石加工技师竟在埋头干他的手艺。
He flung himself on [into] his work.
他投入 [埋头] 工作。
easing the bit in
钻头轻压慢转钻进地层
A tool used for drilling.
钻头用于钻孔的工具
a bit used in drilling for oil.
油田钻井使用的钻头。
A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
钻头曲柄、钻柄或钻床之上用于钻孔的尖头工具
counterbore for hexagon socket head bolt
内六角头螺栓埋头孔
eggbeater PDC bit
打蛋器型PDC钻头
Drilling is cutting a hole with a drill.
钻削就是用钻头钻一个孔。
