x? s? tr?c ti?p mi?n b?c th? t? hàng tu?nSau ??i h?i 20 ??ng C?ng s?n Trung Qu?c, ?i?m d?ng chân ??u tiên c?a T?ng Bí th? T?p C?n Bình khi r?i B?c Kinh ?i th? sát là thành ph? Diên An, t?nh Thi?m Tây.Oscilloscope people understand how hard triggering may be. Using the Mistaken settings can result in unstable waveform captures, and at time