| | 1. | | | | | | 4~5 40% | | 1m 1.5m 14%~17% | | 60% | 1% | 2. | | | | 500kg 600kg | 60%~80% | 2cm | 30~50cm | | | | 8~15kg | 3. | 1kg 5kg | 1% 2% | 100kg 20~30g | | | | 4. 30% | 20% | |