()

12

5%

1 (1)(2) (3)(4)(5)

2 2O 1%5%5~10

3

4 5

6

121001008090

34

1 1234220

3 5-10min

4

5 11483

6 7

8123456

9

10

11: 1. 2. 3. 4. 5. 6.