Engineering, 30.10.2021 21:00 graymonky12

Xác định vùng bảo vệ của hai cột thu sét kép có cùng chiều cao 21m một khoảng 7.4m theo bề rộng. Kiểm tra xem thiết bị có được an toàn hay không.

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Xác định vùng bảo vệ của hai cột thu sét kép có cùng chiều cao 21m một khoảng 7.4m theo bề rộng. Kiể...