... 球切法 tangent-sphere method 相切圆 tangential circles 内螺纹预钻孔 tap-drill hole ...
基于14个网页-相关网页
adjustive tangential circles 可调切圆
homocentric two tangential circles 同心双切圆
The quality of this transition is best visualized by a straight line drawn between two circles: the line's only point of contact with each circle is tangential.
用最明显的图形来描述这个过渡的特性就是：当在两个圆之间绘制一条直线，直线与每个圆只有一个交点时，那么这条线就是两个圆的切线。
youdao
应用推荐
模块上移
模块下移
不移动