胶圈

běn chǎn pǐn zhǔ yào yóu lún tǐ jiāo quān zhēn lún gé zhǒng bǎn děng gòu chéng

本产品主要由轮体、胶圈、针轮、隔种板等构成。

The production is composed of a wheel body, a rubber ring, a needle wheel and an isolation plate.