2ú?·??3??o???ú????·§
2ú?·Dío??oQB1
QB1????·§??ê?
1. ±?·§?a?2í°ê?·§ì??????ú2??á11?÷òaóD2?Da?????ò??±?·§·??a????ê?oí·¨à?ê?á???????·§??
2. QB1Díêêó?ó?1¤×÷???è≤80????1ü?·é???×÷?a??3y1ü?·?ú??ì???éè±???
???ú????·§1¤×÷?-àí ????
1ü?ú?aê?×???ê±?????ò?á?y?y?òé????e??'?ê±±?·§ò???DD???????±'???ò??¨?1á|??ê±oò?????ò????×??e?oè|?????÷????ò?è?2?'ó????×ì??3???
???ú????·§á??t2?á?
1.·§ì????yìú
2.·§?????yìú
3.???ò??2?Da??
4. è?í·???e?o
5.????×ì????í-
6.?Y?????Y?±???a??
???ú????·§?÷òa3?'? ????:mm
|
|
DN
|
H
|
D
|
D1
|
Z-Φd
|
|
·¨à?ê?
|
15
|
245
|
195
|
160
|
4-18
|
|
20
|
245
|
195
|
160
|
4-18
|
|
25
|
245
|
195
|
160
|
4-18
|
|
???úê?
|
15??20
|
245
|
|
|
|
|
25??32
|
245
|
|
|
|
|
40??50
|
310
|