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Connect the voice junction box through one two-core wire.
与语音分线盒用一条两芯线连接。
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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
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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