1) drilling speed of following pipe
跟管钻进速度
2) drilling with simultaneous casing
跟管钻进
1.
The paper introduced the characteristics of DTH drilling with simultaneous casing technology,SP series of simultaneous casing drilling tool and the application of DTH drilling with simultaneous casing technology in drilling in complicated formation,such as control of geological hazard,hydropower construction,foundation treatment for urban high-rise building,highway and rai.
跟管钻进技术已发展成为对付复杂地层钻进的一种有效方法,主要介绍空气潜孔锤跟管钻进技术、SP系列跟管钻具的特点以及空气潜孔锤跟管钻进技术在地质灾害、水电建设、城市高层建筑地基处理、公路、铁道建设工程等复杂地层钻进的应用。
3) Difficult Ground Condition
跟套管钻进
4) drilling speed
钻进速度
1.
Based on the project example,the problems affecting portable drill′s drilling speed are statistically analyzed,then examine the effect after improvement.
该文以工程实例为基础,对影响轻便钻机钻进速度问题进行了统计分析、改进和效果检查,并就改进后的轻便钻机在工程中的应用提出了一些想法和体会。
2.
The main factors affected on the drilling speed of drilling method are rock-cutting and mud discharge.
影响钻井法钻进速度的因素主要有破岩和排渣。
3.
By researching on the characteristics of quaternary Q_1 strata,some relationships between bucket teeth angle and drilling speed have been discovered,and the bucket teeth angle formula under optimal drilling speed has been fitted out by least square method.
旋挖灌注桩成孔施工在郑西客运专线三门峡段第四纪Q1地层中遇到难钻进、难卸土问题,通过研究地层工程地质特性,对旋挖钻机不同斗齿刃前角对应的钻进速度进行统计分析,用最小二乘法拟合最佳钻进速度和斗齿刃前角的关系。
6) penetration rate
钻进速度
1.
The relations of side rake angle,coverage,structural parameters of bit crown and penetration rate of PDC non coring drill bit are studied and variation of the side rake angle with its radius is found to be β y=-2 3682+0 3963r.
研究ＰＤＣ无心钻头切削齿横向前角、覆盖系数和钻头冠部结构参数与钻进速度的关系，得出横向前角随切削齿所在半径变化的规律为＝－２。
补充资料：跟拍
跟拍
follow shot
又称跟镜头。适应动体的动作。比如对汽车等在近距离处拍摄时，与驶车的速度相应地移动相机拍摄的方法。以1/30秒上下为宜。汽车好似在画面上停止，只有背景在流动，能充分表现动态。因为会招致照相机晃动。所以若不熟练，快门速度和机身的转支不能取得均衡，就拍不好。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条