942339395041美国热电石墨管thermo长寿命石墨管现货 圣宾仪器科技（上海）有限公司

p1Src=//y1.yzimgs.com/uploads/522585/2017519-145350605.png?watermark/2/text/5Zyj5a6-5Luq5Zmo56eR5oqA77yI5LiK5rW377yJ5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast