In 4, 6 core wire on the telephone cable connected to the 4, 6 core standards cable joint special pressure tool.

能在4、6芯金属丝电话电缆上接上4、6芯标准电缆接头的专用压接工具。

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When you use the wiring laying underground pipe, wire in the pipes should be joint and kink.

布线时要用暗管敷设，导线在管内不应有接头和扭结。

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The welding quality of the solder joint on the conducting wire connected with the soldering cover and the PCB.

导线在接插件焊杯内的焊点和导线在印制板上的焊点的焊接质量。

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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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