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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The technology reduces contacting resistance of the lead wire joint of the cold-light bulb and prolongs service life the cold-light bulb.

本技术方案降低了冷光源灯泡引线接头的接触电阻，延长了冷光源灯泡的使用寿命。

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Through the wire joint pipe should be located in the junction box, the lap joint should be solid, insulating tape wrapping should be uniform and compact.

穿入配管导线的接头应设在接线盒内，接头搭接应牢固，绝缘带包缠应均匀紧密。

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Since the end of the war, only a few people have crossed the line at Panmunjom, the so-called joint-security area and the only place where barbed wire and mines are absent.

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