拉绳拉线开关EBPC-2 双向拉线开关 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20240913-09640620.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20240913-59146317.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20240913-08779428.jpg