1. 2/12

1. 3/12

2. 4/12 Br Bs . . Br Bs

3. 5/12 HC BS r

3. 6/12

3.1. E 7/12 Si ( )

3.2. 8/12Fe-Ni r (r max = 117 000)

9/12 HC4. r

4.1. 10/12 MO.Fe2O3 , -

4.2. 11/12 r ,

5. 12/12