外表涂特种绝缘材料，电气性能好，防潮能力强。
The surface coated special insulation material, good electrical performance, strong moisture resistance.
该电路具有电气性能好、结构简单、成本低廉，使用方便等特点。
And the circuit has many advantages, such as the good electrical character, simple construction, low cost.
该电路具有电气性能好、结构简单、成本低廉，使用方便等特点。
And the circuit has many advantages, such as the good electrical character, simple construction, low cost.
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