A method of connecting the connection between two pipes to the ground. There is a multi-layer wall structure between the two pipes, which includes at least one pipe layer, a non-conductive layer covering the outer side of the pipe; and the pipe obtained

摘要

1. The method of connecting the pipes of two multilayer wall structures to the ground, the two pipes have at least one conductive layer, which is covered by a non-conductive layer located outside the conductive layer; And at least one layer of conduit for pipes containing multiple layers of pipes