敷设在室内、隧道及电缆沟内，电缆不能承受机械外力，电缆具有较强的抗电磁干扰和抗雷击性能。
For laying indoors, in tunnels and cable ditch, unable to bear external mechanical forces, has the strong property of anti electro-magnetic interference and lightning strike.
室内、隧道、电缆沟内，或埋地敷设等，能承受一定机械外力，但不能承受大的拉力。
For laying indoors , in tunnel, cable trench, or direct in ground, able to bear external mechanicalforces, but unable to bear large pulling force .
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.
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.
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