In this article, rectangular spline broach of the concentricform and internal diameter centering is introduced; and its design characteristics and advantages of the application are depicted.
本文介绍同心式内径定心矩形花键拉刀的设计特点和使用中的优点。
2
Successive wave fronts in this case form a series of concentric spheres.
相继波前形成了一系列的同心球面。
3
The hair is formed from cells just above the bulb, which also give rise to concentric zones of differentiated epithelial cells destined to form the inner and outer root sheaths.