| | | | | 2023 | 2023 9 3 9 9 | | | 2023 9 3 — 9 9 | | | | 1. | 2. 50cm 30cm | | 3. | | 4. | | 5. | | | | | | CB/T31390 — 2015 | 5% | 10% | 20% | | 2023 7 24 — 9 1 | 2023 9 1 | 2023 9 3 — 9 9 | 2023 9 10 | | 139 480 2 1216 | | 139 478 08408 | 300 / | 500 / 1000 / | 1.2 |