心音换能器 ZK101 图片

p1Src=//y1.yzimgs.com/uploads/378517/2024415-2015422.jpg?watermark/2/text/5LiK5rW355yf5bq35Yy755aX56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"

aa