SF1642高穩石英晶體頻率標準 SF1... 儀器量販

p1Src=//y1.yzimgs.com/uploads/195777/20171018-141312455.png?watermark/2/text/d3d3Lm1qcnVpLmNvbQ==/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast"

aa