T? gi?y ?n ???c coi là b?n h?p ??ng ??u tiên CLB Barca ký v?i siêu sao Lionel Messi 24 n?m tr??c ???c bán ??u giá v?i m?c kh?i ?i?m 350.000 euro.Oscilloscope people know how complicated triggering may be. Using the Incorrect options can result in unstable waveform captures, and occasionally the wrong measurement data. This instrument's unique