| | | 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% | | | | |