Translation of "retread" into Chinese

The retreading of motorcycle tyres is prohibited in some countries for safety reasons.

出于安全原因,有些国家禁止翻新机动车辆轮胎。

The environmental impacts of retreading tyres can be positive or negative, depending on certain circumstances.

翻新轮胎的环境影响视特定环境而定,既可以是积极的,也可以是消极的。