| 摘要 |
A pneumatic radial tire is provided to increase braking force by increasing adhesion force relative to a road through moisture drain. A pneumatic radial tire comprises first center blocks(100) formed along a center line of the width of a tire tread while being alternately offset about the center line. Second center blocks(110) are formed among other first center blocks adjacent to the first center blocks, respectively, and are symmetrical to the first center blocks(100) about the center line. Central transverse grooves(150) are formed between the first and second center blocks. Main longitudinal grooves(150) are formed on two sides of the first center blocks and two sides of the second center blocks. First shoulder blocks(120) are formed at two sides of the tire tread. Second shoulder blocks(130) are formed among other first shoulder blocks adjacent to the first shoulder blocks. Shoulder transverse grooves(160) are formed between the first and second shoulder blocks.
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