2电线具有良好的电气绝缘性能、力学性能和不延燃性能，质量可靠，方便耐用。
2outer power line is good at insulation property, mechanical property and non-inflammability with reliable quality and convenient durability.
2电线具有良好的电气绝缘性能、力学性能和不延燃性能，质量可靠，方便耐用。
2outer power line is good at insulation property, mechanical property and non-inflammability with reliable quality and convenient durability.
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