WJk型热电偶 wrn-230 管径16 l=300*150mm 0-1000℃ m27*2 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20260110-31739519.jpg&p2Src=//y1shangxu.yzimgs.com/uploads//20251227-39001640.jpg&p3Src=//y1shangxu.yzimgs.com/uploads//20251227-03069853.jpg