防水接近开关，SBN20-U2/K2D AFY498- 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250116-38628428.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250116-62927517.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250116-34450840.jpg