| | | | | | | 2019 12 20 | | | | | | | | | | | | | | | | 2018 19 | | | | | | | | | | | | | | | | | 1. | | | 2. | | | | 3. | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2020 12 | | 1. | | 100% | 2. | 394 | 44 | | 100% | | 3. | | | GB / T50434 2018 | 4. | HJ651 2013 | | | | 100% | 5. | | 100% | | | | | | | | ︹ 2017 | ︺ 409 | | | | | | | | | 1. | | 2. | | | | 3. | | | | | 4. | | | | | 5. | | | | | 6. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |