风机及机组效率测试仪 TJ-0903 北京同德创业科技有限公司

p1Src=//y1.yzimgs.com/uploads_old/378650/2012041821485630_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/378650/2012041821485630_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/378650/2012041821485630_old_2.jpg