锥顶直径d与锥形长度和钨极直径的关系的翻译：Cone taper length and diameter d and tungsten diameter 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Cone top cone diameter d and length and diameter of the relationship between the tungsten

Cone taper length and diameter d and tungsten diameter

Vertex of a cone diameter d and cone-shape length and tungstic electrode diameter relations

cone top diameter D and tapered length and tungsten diameter of the relationship between a

Cone taper length and diameter d and tungsten diameter