HYFA-400*2*0.5型号电缆的读法是()。A、400对线径为0.5mm的铜芯线,泡沫聚烯烃绝缘涂塑铝带粘接屏蔽聚乙烯护套配线电缆B、400对线...

作者: rantiku 人气: - 评论: 0
问题 HYFA-400*2*0.5型号电缆的读法是()。
选项 A、400对线径为0.5mm的铜芯线,泡沫聚烯烃绝缘涂塑铝带粘接屏蔽聚乙烯护套配线电缆 B、400对线径为0.5mm的铜芯线,实心聚烯烃绝缘聚氯乙烯护套市话电缆 C、400对线径为0.5mm的铝芯线,实心聚烯烃绝缘聚氯乙烯护套市话电缆 D、400对线径为0.5mm的铜芯线,泡沫聚烯烃绝缘涂塑铝带粘接屏蔽聚乙烯护套市话电缆
答案 A
解析 教材P79 如HYFA-400X2XO.5 型号的电缆的读法是400 对线径为0.5mm 的铜芯线,泡沫聚烯炬绝缘涂塑铝带粘结屏蔽聚乙烯护套市话电缆。

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