| | | | | 尿素 | | | | | | | | | 46.5% | 45 46% | | 2.6 | | | | | | | | 9 12% | | | | 2 3% 100 20 30 | 100 120 6 | 50 15 20 | | | | | 1000 3 4 | | | | | | | 3000 cc | 3000 cc | |