¡¡¡¡¡öImproves the local soil environment, lowers the receptivity of the local soil.
¡¡¡¡¡öThe close contact between the earth pole and the soil can lower the resistance between them effectively.
¡¡¡¡¡öTemperature range£º-50¡æ¡«+130¡æ
¡¡¡¡¡öAltitude£ºUnlimited
¡¡¡¡¡ölife span£º30 years