一接头，设置在上述芯线及包覆层的首端与电源的供电线的连接处，用以包覆所述的铜绞合线与电源的供电线的电气连接的塑料罩壳。
A joint. It is set at the connection of the cover head of core with power supply wire to cover the plastic casing of electric connection of copper strand and power supply wire.
系列束线机主要用于塑料及橡皮电线电缆铜（或铝）线芯的绞合。
Usage: it is suitable for copper or aluminium cores of plastic or rubber-insulated cables to get bunching and stranding.
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