双向拉绳开关YBLX-KLT2-2
上海临嘉科教仪器有限公司
p1Src=//y1.yzimgs.com/uploads//20250428-18133386.jpg&p2Src=//y1.yzimgs.com/uploads//20250428-59229739.jpg&p3Src=//y1.yzimgs.com/uploads//20250428-90448075.jpg