当要求电气绝缘时，可采用非金属镀层、非金属外保护套管或绝缘接头等方式来实现。
When electric insulation is required, non-metallic coating, protective non-metallic tube or insulating joint, etc., can be adopted for the insulation implementation.
当要求电气绝缘时，可采用非金属镀层、非金属外保护套管或绝缘接头等方式来实现。
When electric insulation is required, non-metallic coating, protective non-metallic tube or insulating joint, etc., can be adopted for the insulation implementation.
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