| This text makes a deep delicate analysis to BJ1027 pick up tyre leaning-grind. It states the tyre fraying or nor lie on landscape-orientationl-mete which tyre comparative with ground in truck moving. To BJ1027 pick up , for former-brind' generally great change augmenting tyre' landscape- orientation-mete, then result tyre leaning-grind. Through plentiful market researching, correlative examination, data Stat analyse, theory calculating and the same products and car comparating, we make clear the relation and the movement connection in suspend, veer and tyre, confirm again veer trapezia-cut-point, and adopt a series of measures, resovle tyre leaning-grind completely, elevate the whole track' capability. |