175QJ10-42/3,175QJ10-56/4,175QJ10-70/5,175QJ10-84/6,QJ型井用深井潜水泵 175QJ10-42/3,175QJ10-56/4,175QJ10-70/5,175QJ10-84/ 无锡市昌林自动化科技有限公司