1.
tangent circles

相切圆, 两个相切的圆
2.
Internal and External Common Tangent Circles of Three Circles Which Are Externally Tangent Each Other;
三个两两相外切圆的内公切圆与外公切圆
3.
equalizer Mercator chart

赤切圆柱正形投影海图
4.
a tool for cutting circular holes around a center.

在中心周围切圆形的孔的一种工具。
5.
ground-working disk blade

切土圆盘刀,耕耘圆盘
6.
shoulder cutter

切割猪肩肉用的圆盘刀
7.
filter-paper coated cut to circular shape

带涂层过滤纸,切成圆形
8.
CNC oblique cutting cylindrical special grinding machine

数控斜切外圆专用磨床
9.
equal-angle transversal elliptic cylindrical projection

等角横切椭圆柱投影
10.
rotary gang slitting

带材多刀圆盘剪纵剪切
11.
A sapphire that was cut cabochon.

切削成凸圆形的蓝宝石
12.
The line touches the circle.

这条线和这个圆相切。
13.
plungecut semi-automatic cylindrical grinder

切入半自动外圆磨床
14.
Peel the oranges, then slice into halves. Slice further into half-round pieces.

柳橙去皮,切两半,再横切半圆形片。
15.
circumferential force

切线力, (沿着圆周作用的)切向力
16.
The Role of the Arc of Cutting Edge in Precision Metal Cutting

刀具切削刃圆弧在精密切削中的作用
17.
A Study of Stagnation Points on Cutting Edge

正交切削切削刃钝圆上分流点的研究
18.
A geometric surface, all of whose plane sections are either ellipses or circles.

椭球,椭面其所有切面都是椭圆或圆一种几何面