trung1082023 trung1082023
  • 03-05-2024
  • Physics
Answered

Anh (chị) hãy thiết kế hệ thống nối đất có điện trở suất Rđ < 4 Ω, điện trở suất đo được ρđo = 1000 Ωcm, hệ số km = 1,2



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