180
3-3.
()
()
(1) PVC (
32 )
.
PVC .
. 3-11
O .
.
(. 3-12)
O
.
O
,
.
O
90°. (
45°).
O
.
(. 3-8)
()
( )
(
8 )
()
PVC
(O.D. ø32)
(
)
.
.
.
. 3-12
O
.
.
,
. (. 3-13)
. 3-8
(2) ,
. (. 3-9)
. 3-13
()
( )
3-4.
(1) ( )
.
M5
3-2.
(2)
.
. 3-9
( )
(1/100
) .
. 3-14
O
. (. 3-10)
• .
•
,
.
,
.
. 3-10