As an example, we discuss the knowledge representation of the cone section in the mechanical drawing class.
本文使用机械制图课程中的圆锥体一节作为例子，展开讨论。
2
The tensile strength, zinc coat mass and service life of die of galvanized steel wire after drawing are compared on the condition of different work cone angle.
在不同的工作锥角度下，比较镀锌钢丝拉拔后的抗拉强度、锌层质量、模子寿命。
3
This machine consists of cone double screw extruder, vacuum setting table, drawing machine, cutting machine, film sticking machine, material tumbling frame, etc.