青云翻译

The main loop control circuit to ground insulation resistance of not less than 0.5 megohm, tower grounding resistance of the ground should be less than 4 ohms.

Main loop control circuit insulation resistance test should be not less than 0.5 trillion euro, Tower grounding resistance should be not more than 4 euro.

The main return route control loop should not be smaller than 0.5 megohm to the place dielectric resistance, the tower body should not be bigger than 4 ohms to the place earth resistance.

The main loop control loop resistance should not be less than 0.5 trillion euros, the body of the grounding resistance should be less than 4 euro.

Main loop control circuit insulation resistance test should be not less than 0.5 trillion euro, Tower grounding resistance should be not more than 4 euro.