drawing capstan造句

• The drawing capstans are of step - cone structure , the surface of which is spray - coated with tungsten carbide
  鼓轮采用塔轮式结构,鼓轮圈表面炭化鸽喷镀。
• Drawing capstans are arranged in straight - line , the metering capstan is driven by separate dc motor . drawing dies can be quickly changed
  鼓轮直线式排列，定速轮单独直流电机驱动，可实现快速换模功能。