| | | | 2021 1 | | | | 6 | | | | | | | 1 | | | | | 2 | http://rst.nmg.gov.cn/ | | | | 3 | APP | | 4 http://si. | 12333.gov.cn/index | | | 5 | | | | | | | | | | | | | | | | | | | | | | | | | |