2023 | | | | | | 〔 2023〕5 | | 2023 | | | | | | 38349 | | 113 . 66 | 1 | | | | | | | | GB / T 15776—2016 | DB | 15 / T 389—2021 | | | | | | | | | | | | | LY / T 1960— | 2017 | | | | | | | | | | 2023 | | | | | 951 | | | | | | 2 | | | | | | | | | | | 2023 12 | | | | | 1.5 | 5 | | 2023 | | 11.46 | 5.51 | 2 0.2 | 0.75 3 | | | 68.2 19.5 | 15 2 | 10 1 3 | 3 1 | 13.7 | | |