Back then, there had been a big tractor tire hung from a rack to mark the circle (back in Eagle Plains, I had seen the photos of the tire).

当时，出现了大拖拉机轮胎悬挂在机架上，标志圆(在鹰平原，我看到了照片的轮胎)。

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In a method of manufacturing a pneumatic tire, after the raw tire is vulcanized, an identification mark is spray-painted on the tread face of the vulcanized tire.

在一种制造充气轮胎的方法中，在生胎硫化之后，将识别标记喷涂在硫化轮胎的胎面表面上。

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In a method of manufacturing a pneumatic tire, after the raw tire is vulcanized, an identification mark is spray-painted on the tread face of the vulcanized tire.

在一种制造充气轮胎的方法中，在生胎硫化之后，将识别标记喷涂在硫化轮胎的胎面表面上。

youdao