求翻译：13. 室外接地线采用50×6热镀锌扁钢，离建筑物外墙间距为3.00m，埋深为室外地坪-0.80m。室外人工接地极采用∅50热镀锌钢管（壁厚3.5mm，长2500mm），离建筑物外墙间距为3.00m,间距5.00m，垂直打入地下，其顶端离室外地 坪-0.80m。接地线与室外接地极之间采用焊接，所有焊接点均应进行防腐处理，接地线引入处应采取防机械损伤措施，并做绝缘防腐处理。是什么意思？

13 outdoor ground wire 50 × 6 hot galvanized flat pitch away from the external walls of the building to 3.00m depth of outdoor floor-0.80m. Outdoor artificial ground electrode ∅ 50 hot dip galvanized steel pipe (wall thickness of 3.5mm, length 2500mm) away from the building facade spacing of 3.00m,

13.Outdoor ground with 50 ×6 hot dip galvanized steel, and the Chen Shui-bian outside wall spacing is 3.00 M, buried deep in room 0.80 m field ping. Outdoor artificial ground with ∅ 50 extremely hot dip galvanized steel pipe wall thickness (3.5 mm long, 2500 mm) from the walls of buildings, and spac

13. The outside meets the grounding to use 50×6 the pot galvanize flat steel, to the building outer wall spacing is 3.00m, the burying depth for outdoor grounds around a house - 0.80m.The outdoor artificial earthed pole uses ∅50 the pot galvanize steel pipe (wall thickness 3.5mm, long 2500mm), to th

13. outdoor grounding 50x6 hot dip galvanized flat steel, away from external walls of buildings at 3.00m, buried deep outdoor flooring -0.80m. Outdoor artificial grounding ∅ 50 hot-dip galvanized steel pipe (wall thickness 3.5mm, length 2500mm), from the building exterior wall spacing is 3.00m, 5.00

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