一种定义
四种语言
0,1,2
- 德國
- 英語
- 中國
- 西班牙語
（蜗轮的）外径 (n)
Außen (eines Schneckenrades) (m)
external diameter (of a wormwheel) (n)
outer diameter (n)
As the drawing punch forces the circular blank through the opening of the drawing die, the outer diameter of the circular blank decreases until the hollow body is fully formed.
