1.
small hole electrical discharge internal grinding machine
电火花小孔内圆磨床
2.
sizematic internal grinder
自动定尺寸内圆磨床
3.
anti-friction bearing internal cylindrical automatic grinder
减摩轴承内圆自动磨床
4.
precision CNC internal and end grinding machine
精密数控内圆-端面磨床
5.
internal grinding head
内圆磨(砂轮主轴)头
6.
CNC internal grinding machine for bearing ring
数控轴承套圈内圆磨床
7.
NC vertical honing machine
数控立式内圆珩磨机
8.
multi-spindle vertical internal cylindrical honing machine
多轴立式内圆珩磨机
9.
extension bar for grinding wheel axle of internal grinding machine
内圆磨床砂轮轴接杆
10.
The second layer in a concentric circle drawing. Fits between Concentric Layer 1 and Concentric Layer 3.
同心圆绘图的第二层。与同心圆第1层的内圆和同心圆第3层的外圆相吻合。
11.
The third layer in a concentric circle drawing. Fits between Concentric Center and Concentric Layer 2.
同心圆绘图的第三层。与同心圆中心层的外圆和同心圆第2层的内圆相吻合。
12.
The center (or fourth) layer of a concentric circle drawing. Fits inside of Concentric Layer 3.
同心圆绘图的中心（或第四）层。与同心圆第3层的内圆吻合。
13.
Moving in or forming a circle.
进入圆内或形成圆的
14.
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
15.
The diameter of the inside of a round cylinder, such as a tube.
口径圆柱体内侧圆的直径，如管道
16.
The half dome over an apse.
穹内半圆顶教堂后部的半圆形穹顶
17.
Study of the System of Cylinder Wall's Roundness Error Measurement Online
圆筒内壁圆度误差在线检测系统研究
18.
to construct a hexagon within a circle
在圆内作一个六边形