WJk型热电偶wrnk2-230 双芯 I级 16*300mm 0-1000℃ M27*2 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20260110-61951739.jpg&p2Src=//y1shangxu.yzimgs.com/uploads/391770/20260110-24354497.jpg&p3Src=//y1shangxu.yzimgs.com/uploads/391770/20260110-82847631.jpg