19
.
l / O
)On/Off( /
20
.
.
40
19..........................................................................................................................................................
20..............................................................................................................................................................
20..............................................................................................................................................
22..................................................................................................................................................
23........................................................................................................................................................
24..............................................................................................................................................
25................................................................................................................................................................
26 .................................................................................................................) 1.2( 40
27 ................................................................................................................) 0.6( 20
28...................................................................................................................................................
29........................................................................................................................................
29...................................................................................................................................................
30.............................................................................................................................................................
32................................................................................................................................................