轮胎技术（tire technology）

保证质量

Endurance Test: Remains 34 hours, but extends the final load step from 22 hours to 24 hours. Load percentages have been reduced from 90/100/110% to 85/90/100%/. In addition, at the end of the 34 hrs of endurance testing, the tire will be run under-inflated(20psi)at 120KM/h(75mph)for 90 minutes.
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9 m5 B3 l& d! a轮胎耐磨性测试：共持续三十四个小时，但最后的荷载分级测试会持续22到24个小时。荷载率会从90/100/110%分别降至85/90/100%。另外，在34小时轮胎耐磨性测试的末尾，轮胎会在充气的情况（20千帕）下以120公里每小时（75英里每小时）的时速运行90分钟。

保证质量

The tyre is normally fitted with so called envelope that can be applied externally around the tread so as to extend down over the sides of the tyre casing, said envelope then being sealed at the bead part by so-called open rim.
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" U1 w( P9 E; F# M! c8 L7 i轮胎由封套包住，该封套从轮胎底面裹至外壳，在卷边处由轮胎环密封。

wonder

来转悠，，赚积分。。。。

saradai

谢谢，哈哈，新手上路，好哈