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多根组合电缆安装敷设更完善简便，且对单根同轴电缆的机械保护更好。
The multi cables make you more easier and convenient, and well protect the single core.
youdao
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多根组合电缆安装敷设更完善简便，且对单根同轴电缆的机械保护更好。
The multi cables make you more easier and convenient, and well protect the single core.
youdao