DT-85A 迷你型噪音计 DT-85A 上海徐吉电气有限公司

p1Src=//y1.yzimgs.com/uploads_old/425164/2013091316195007_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/425164/2013091316195007_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/425164/2013091316195007_old_2.jpg"