求翻译：保护接地、工作接地、防静电接地、防直击雷采用共用接地装置，其工频接地电阻在任何季节不大于1.0欧姆，如无法达到，需增打接地极。接地极采用Φ50镀锌钢管。所有进出建筑物的电缆金属铠装层、钢管及各种金属管道均应在进户处与接地装置可靠连接。是什么意思？

The protective grounding, grounding, anti-static grounding, lightning directly stroke prevention using shared grounding device, the power frequency grounding resistance greater than 1.0 ohm in any season, such as can not be achieved, need to increase the playing ground electrode. The ground electrod

Protective earth, ground work, anti-static grounding, anti-has been the use of common-ground unit, its power-frequency ground resistance is not in any season, such as the 1.0 ohm cannot be reached, additional to an earth. With an Earth Φ 50 galvanized steel pipe. And out of buildings of all cable me

The protective earthing, the working earthing, guard against the static electricity earth, guard against strike the thunder to use straight use in common the grounding, its power frequency earth resistance is not bigger than 1.0 ohms in any season, if is unable to achieve, must increase strucks the

Protection of anti-electrostatic grounding, grounding, grounding, earthing device for protection against direct lightning using a total of, its power-frequency grounding resistance in any season is not greater than 1 ohm, if not met, additional Earth electrode. Grounding using φ 50 galvanized steel

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