| 摘要 |
A pneumatic tire for heavy vehicle comprises first platforms bent at bent sections of a main groove extending zigzag in a circumferential direction of the tire, a second platform linearly extending between one of the first platforms and another of the first platforms, and a third platform extending between the one of the first platforms and the second platform, wherein the first, second, and third platforms are arranged at a bottom of the main groove within half a pitch of the main groove, a length of the first platform in the circumferential direction of the tire, a length of the second platform in the circumferential direction of the tire, and a length from one end of the one of the first platforms to one end of the another of the first platforms are different from each other; a length of the one of the first platforms is larger than the length of the second platform, and a width of each of the first and second platforms in an axial direction orthogonal to the circumferential direction of the tire and a height from the bottom of the main groove of each of the first and second platforms are set to be larger than a width of the third platform in the axial direction orthogonal to the circumferential direction of the tire and a height of the third platform from the bottom of the main groove, respectively.
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