求翻译：7) 更换轮胎时需检查并清洁机轮轴承并重新润滑。更换轮胎时需检查轮毅, 尤其是与轮胎的接触。面及轮缘区域有无腐蚀, 以保证轮胎不会漏气。是什么意思？

7) Check and replace the tires need to clean and re-lubricated wheel bearings. Replacement tires need to check the wheel Yi, especially with the tire contact. Surface and the rim area for corrosion to ensure that the tire does not leak.

7) replacement of tires, wheel bearings for inspection and cleaning machine and re-lubrication. replacement of tires required inspection rounds of Yi, especially with the tires. Geo-oriented regional there are no corrosion and round, in order to ensure that tire will not leak.

7) replaces when the tire must inspect and the clean motorized ship bearing and lubricate.Replaces when the tire must inspect the turn resolutely, in particular with tire contact.Whether there is the surface and do the wheel rim region corrode, guaranteed the tire cannot leak air.

7) takes about inspect and clean the machine to replace the tire wheel bearing and lubricating it again. Replacing a tire will need to check wheel-Yi, especially with the tire contacts. Face and rim area is free from corrosion, to ensure that the tires not leak.

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