是德射频信号发生器N9310A N9310A 图片

p1Src=//y2.yzimgs.com/uploads/392997/2021427-161951746.jpg?watermark/2/text/6IuP5bee5bGV5paH55S15a2Q56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast"

aa