限位开关，XCRE18 HYR087- 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250116-19074720.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250116-90201640.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250116-28683173.jpg