单股铜芯线可采用阻燃型安全压线帽或刷锡。

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

youdao

单股铜芯线可采用阻燃型安全压线帽或刷锡。

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

youdao