| 摘要 |
An electric connection between conductors of two pipe elements to be joined through male-female junction, with the conductors being housed in internal sheaths of the pipe elements, is effected by an assembly of three connectors, one connected to the male side of each element, another connected to the female side thereof and a double connector adapted to electrically connect the male side connector of a pipe element with the female side connector of an adjacent joined pipe element.
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