低压电工-选择

导线接头要求应接触紧密和（）等。????????

发布于 2021-03-13 01:18:32

【单选题】
A 拉不断
B 牢固可靠
C 不会发热

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555844hhh 2023-03-13

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这家伙很懒，什么也没写！

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