可变棒杆，WL-3A100 JLZ055- 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20250116-37985720.jpg&p2Src=//y1shangxu.yzimgs.com/uploads/391770/20250116-28683173.jpg&p3Src=//y1shangxu.yzimgs.com/uploads/391770/20250116-90201640.jpg