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１ 概述 在梅雨季节，厂修东风４型机车经常会发现电气线路绝缘电阻值低于工艺要求值的现象。这类问题的存在不仅影响厂修车质量，而且严重影响修车周期，给工厂造成重大的经济损失和负面的社会效应。为此解决梅雨期电气线路绝缘值低的问题是东风４型机车修理厂家的当务之?
1 Overview In the rainy season, factory repair Dongfeng 4 locomotive often found that the insulation resistance of electrical lines lower than the value of the process of the phenomenon. The existence of such problems not only affects the quality of plant repairing vehicles, but also seriously affects the cycle of repairing vehicles and causes significant economic losses and negative social effects to the factory. To solve the problem of low insulation value of the electrical lines in the Meiyu period is the main task of the Dongfeng 4 locomotive repair manufacturers?