You are able to Evaluate a waveform of one phase by using a waveform of A different stage or Examine that has a Earlier measured waveform on exactly the same test stage. Web page sixty nine: Communication- T?t c? các thông tin ??u ???c ch?n l?c k? l??ng và t?ng h?p t? nh?ng ngu?n tin c?y nh?t.Ch? nh?t: Kiên Giang, Lâm ??ng, Ti?n Giang K?t qu?