LJ-双向拉绳开关 XTXLS-SD-I 1开1闭 上海临嘉科教仪器有限公司

p1Src=//y1shangxu.yzimgs.com/uploads/391770/20240913-11149853.jpg&p2Src=//y1shangxu.yzimgs.com/uploads/391770/20240913-54361951.jpg&p3Src=//y1shangxu.yzimgs.com/uploads/391770/20240913-77477831.jpg