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入户光缆在室内(建筑物以内)环境下,宜选用()光缆。

单选题
2022-05-21 07:27
A、普通蝶形引入光缆
B、管道蝶形引入光缆
C、自承式蝶形引入光缆
D、以上均可以
查看答案

正确答案
A

试题解析

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