| | | 2020 | | 2018 － | 2020 | 2020 | 2018 － 2020 | 2020 | 2019 － 2020 | | | 2020 | 2020 | | 2020 | | 2020 3 12 20 | | | | | | | | | 2018 2019 | | 2020 | | | 2020 | | | | 0471－ 6651907 | 0471－ 4300268 | 13739918516@163. com | | 1. 2018 2020 | | 2020 | 2. 2018 2020 | | | 3. 2019 2020 | | | 2020 | 4. 2020 | | | 2020 | http://nmt.nmg.gov. | cn/gk/zfxxgk/xxgkml/gsgg/202003/t20200312_165042.html | | | | 2020 3 12 | |