In terms of the penalty rules of normal-direction contact restriction,the contact force between reamer wings and rock was calculated.
为了解随钻扩眼工具在井眼内的运动状态和受力情况,促进钻井工具的优化设计和更合理的应用,对随钻扩眼工具在井眼内的运动进行了研究,给出了基于拉格朗日方程的动力学分析方法;基于法向接触约束的惩罚准则,计算了扩眼刀翼与岩石之间的接触力,对随钻扩眼工具在井眼内的运动过程和动力响应进行了动力学仿真研究。
Pattern Notches: The pattern cutter has a pair of pattern notches which are used for marking seam allowances and balance marks.
样板刀眼剪刀：每个样板师都有一把样板刀眼剪刀,用来剪缝份(放松量)和对位记号。
These are small notches printed or cut out of the edges of the pattern.
这些是印刷的、小的刀眼,或是在纸样的边缘上剪出刀眼。
The notches on one piece of pattern will match those on another piece and show that the two pieces are to be joined together.
一张纸样上的刀眼将对上另一张刀眼,表示这两片要缝合在一起。
Holding these pieces together firmly, one can now stitch down to this point (the first balance)
捏住两片衣片,可以缝第一个刀眼。
The notch, to be accurate, should not be wider than 2 mm.
精确地说,刀眼不能超过2mm宽。
After grading, curved edges are clipped or notched.
分层后,曲边要修剪或打刀眼。
Most darts are marked with notches for the dart site and drill hole for the point at which the dart terminates.
大多数省道用刀眼作为省道定位标记,用钻眼表示省道终端。
It is important to make sure that the notches of both sections are exactly matching.
确认上下两片衣片的刀眼是否精确对准,这一点非常重要。
Mark the armhole notches, bust point and dart ends with small holes, using a compass point or map pins.
标明袖窿刀眼,胸点和省道终端和小洞表示,可以使用圆规尖或图钉。
When notching two layers of fabric, notch each layer alternately.
两层面料都需打刀眼时,必须一层一层地交替进行。
corn-cutter, chiropodists'
鸡眼刀,足病医生用
automatic oscillating spindles chisel mortiser
自动刀头摆动式凿眼机
Morisette expansion reamer
刀翼可撑出的扩眼器
I couldn't open my eyes, my face burnt as if it had been slashed with knives.
我的眼也睁不开，脸烫的象刀割一般。
The Knifemaker's eye for proportions, once acquired, remains the best tool for creating a successfully unified knife design.
一旦获得观察比例的眼力，制刀师的眼睛是创造一把成功整体设计刀的最好工具。
he laid the knife down softly, as he sat staring at her.
他温和地放下了鞋刀，坐在那儿瞪大眼望着她。
Holes are machined on lathes with various cutting tools.
孔眼可用不同的切削刀具在车床上加工。
He put down his razor and took the newspaper with wet hands, scanning the front page.
他放下保险刀，用湿手拿起报纸，扫了一眼第一版。