Readings present the effective voltage depending on the normal price of samples in excess of an entire range of intervals of the fundamental frequencyCa?ch ?ô?i ve? tru?ng th???ng x? s? mi?n Nam an toa?n nhâ?t chi?nh la? b?n hãy mang t?? ve? sô? ?o? ?ê?n t?i tru? s?? cu?a nha? ?a?i có ghi trên t? vé s? ho??c ca?c v?n pho?ng chi nha?nh, ban