两级物体接近感知器GR-10120 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20240913-48015742.jpg&p2Src=//y1shangxu.yzimgs.com/uploads/391770/20240913-51219517.jpg&p3Src=//y1shangxu.yzimgs.com/uploads/391770/20240913-16901164.jpg