SIEMENS变频器风机，6SY7000-0AB... 北京联信十佳科技有限公司

p1Src=//y3.yzimgs.com/uploads/195213/2016127-15507633.jpg?watermark/2/text/5YyX5Lqs6IGU5L-h5Y2B5L2z56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/Center"

aa