| | | | | | | | | | | | | 1. | GB/T51424- | 2022 | 4 8 | | | | 500 500 | | 20000 | | | | | | | | 30% | 10000 | | | 1000 1000 | 10000 | | 2. | GB/T51424-2022 | | 1.8 | 6.0 | 1000 1000 | | 2000 | 3. | | | | 50 | 50 | 100 | | | | | | | 1. | | | 1 | | 2 | | | 3 | | 4 | | 5 | | | 6 | | 7 | | | 2. | | | | | 5 | | | 1. | | | | | 2. | | | | | | | | | | | |