智能化导热系数测定仪 DR3030型 北京中建路业仪器设备有限公司

p1Src=//y1.yzimgs.com/uploads/440058/2022422-111257514.jpg?watermark/2/text/5YyX5Lqs5Lit5bu66Lev5Lia5Luq5Zmo6K6-5aSH5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"

aa