先喷点Liquid Wrench或WD-40,等个半小时或随意,如没有也可,把原螺母拧回去,拧到刚要露螺栓头即可,用Hammer敲击螺母。
先喷点Liquid Wrench或WD-40,等个半小时或随意,如没有也可,把原螺母拧回去,拧到刚要露螺栓头即可,用Hammer敲击螺母。
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