WSSX-503电接点双金属温度计
上海临嘉科教仪器有限公司
p1Src=//y1.yzimgs.com/uploads//20240703-03329164.jpg&p2Src=//y1.yzimgs.com/uploads//20240703-73906742.jpg&p3Src=//y1.yzimgs.com/uploads//20240703-81858316.jpg