... 实心拱 blind arch 实心绝缘电缆 solid dielectric cable 实心绝缘子 solid insulator ...
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实心绝缘非填充型电缆是为市内通信网而设计的市内通信电缆。
Solid insulated non-filled cables are designed for duct use and aerial installation in local telephone network.
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Solid insulated filled cables are designed for duct use in local telephone network.
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