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Aviod water and moisture penetration, otherwise blow it dry in time and start a megger insulation test which should include the insulation between connection joints as well as joints and cabinet.
避免焊机内进水或受潮，否则及时吹干，用兆欧表测量绝缘情况(包括连接节点之间及连接点与机壳之间)。
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