WJWRN-123热电偶Kφ20刚玉陶瓷,高铝质0-1300℃ 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20260110-90500751.jpg&p2Src=//y1shangxu.yzimgs.com/uploads/391770/20260110-61951739.jpg&p3Src=//y1shangxu.yzimgs.com/uploads/391770/20260110-24354497.jpg