pricker

基本解释

The diameter of different parts of pricker is indicated by machine number. The smaller machine number means the larger diameter.
刺针不同部位的直径用机号来表示，机号越小表示直径越大。
The analysis is done to the mechanism of the less damage of the pricker roller. Conclusion is made that the tooth width of the wire may be the cause of the more damage of the wire roller.
并就刺针刺辊对纤维损伤小的机理进行了分析，提出齿条刺辊齿顶齿宽远大于刺针针尖直径，可能是齿条对纤维损伤较大的原因之一。
However, it is a different situation for the functional section of pricker, in which the machine number of pricker is used to indicate the height of triangle cross-section rather than the diameter.
刺针的工作段则不同，针的机号是用来表示其三角截面高度而不是直径。

Or maybe it all started when the car backed up the slope of the driveway and the tires bumped over the sidewalk between the knee-high pricker hedges.
NEWYORKER: Getting Closer