IN NG C

1c qui

2

Nguyn l np v phng in

3M ha nhn dng c qui

4

5

6

7

8

9II/ H thng khi ng:

10

Cc loi my khi ng:

11

c tnh

12

My khi ng loi gim tc:

13

14

15

16

17

18

19

20Hot ng :

21

22

23Nguyn l hot ng:

24

25

26

27

28

29

6