北渠PDA app for iPhone and iPad 4.0 ( 3040 ratings ) Weather Utilities Developer: Hui Tang Free Current version: 1.0, last update: 7 years ago First release : 13 Nov 2014 App size: 10.7 Mb 北渠PDA,是一个集水情服务,雨情服务,流量查询,水质查询,闸门查询等的防灾减灾服务平台.