Single-stranded copper core can be provided fire retardant safety wire joint or tin coat.

单股铜芯线可采用阻燃型安全压线帽或刷锡。

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Single-stranded copper core can be provided fire retardant safety wire joint or tin coat.

单股铜芯线可采用阻燃型安全压线帽或刷锡。

youdao