PM-4型麦氏真空表(测量范围:0.1~650Pa)
上海临嘉科教仪器有限公司
p1Src=//y2.yzimgs.com/uploads/391770/20191021-84445581.jpg?watermark/2/text/5LiK5rW35Li05ZiJ56eR5pWZ5Luq5Zmo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast