拉绳开关型号JSB/KLS-I 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20230110-52042275.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20230110-34655084.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20230110-02353497.jpg