单绝缘工具应有可靠的接地系统。
线圈均由单玻璃丝聚酰胺漆包线制成，绝缘等级为H级。
Coils are made of single polyimide wire wrapped with glass fibre. The insulation level is Class h.
本发明的防潮涂液制作简 单、生产成本低，可大幅度提高密封接线座的绝缘性能，使用效果好。
The dampproof masking liquid is easy to prepare, has low production cost, can greatly enhance the insulating property of the sealing wire holder and has good using effect.
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