WJwrn-631锥形套管热电偶wrn2-631 L=250mm 0-600℃ M33x2 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20260110-80588942.jpg&p2Src=//y1shangxu.yzimgs.com/uploads//20251227-03069853.jpg&p3Src=//y1shangxu.yzimgs.com/uploads//20251227-09820053.jpg