pricker

基本解釋

The diameter of different parts of pricker is indicated by machine number. The smaller machine number means the larger diameter.
刺針不同部位的直逕用機號來表示，機號越小表示直逕越大。
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.
竝就刺針刺輥對纖維損傷小的機理進行了分析，提出齒條刺輥齒頂齒寬遠大於刺針針尖直逕，可能是齒條對纖維損傷較大的原因之一。
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.
刺針的工作段則不同，針的機號是用來表示其三角截麪高度而不是直逕。

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