限位开关，WLGCA2SC-P2 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250116-34450840.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250116-37985720.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250116-28683173.jpg