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21 century is the new century of ocean development, it is a new era of development of marine economy. Oceans account for 2/3 of the earth’s surface, while human development activities are mainly confined to 1/3 of the earth’s surface. The development of the ocean, the development of the marine economy is the only way for the survival and development of human society.
The conductor’s resistance to water in the past is mainly filled with water tight compound, filling the gap between the wire, but in order to improve the efficiency of production, shorten the time of the cable in the middle of the time and the construction work, the use of a wire process will be inserted into the structure of the ground,