不是大问题,皮带老化或不光滑。可以试一下买一瓶aerosol belt dressing (一两块美金)喷在发动机,水箱,空调皮带上(内侧)。
不是大问题,皮带老化或不光滑。可以试一下买一瓶aerosol belt dressing (一两块美金)喷在发动机,水箱,空调皮带上(内侧)。
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