模拟量接近开关JCW-18QA 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads//20250428-48161186.jpg&p2Src=//y1.yzimgs.com/uploads//20250428-88201662.jpg&p3Src=//y1.yzimgs.com/uploads//20250428-52042386.jpg