| 摘要 |
A protector of pneumatic tire consists of grooves, central and lateral protrusions. The central row is made of protrusions, which have V-shaped form, on their surface two grooves are made, which divide the protrusions into central element and two lateral trapezoid elements. Central element has a corrugation, lateral elements are flat, lateral row is made of protrusions, which have prismatic form.
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