机械式听漏棒 地下自来水管道漏水检测仪 XF818-JT-T 北京百万电子科技中心

p1Src=//y1.yzimgs.com/uploads/367833/2018928-10472952.jpg?watermark/2/text/5YyX5Lqs55m-5LiH55S15a2Q56eR5oqA5Lit5b-D/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast