| | ︽ | ︾ | | | ︔ | | 5~10 | | | 18~20 | 15 | 3 | 2~4 2 | | 12 | | | | 1% | | | | | | | | | | | | | | 5 | | 1.5kg | 2kg | | | | | | | | | | | | | | | | 3kg 1kg | | | | | | | | | | | | | | | | | | | | |