?1?????30???????????? ??,30??????????,??????5.6?,??????????21????????6.4??

????????,30???????10?11??,????????5.6??????????,?10?,??????5??,?????????????????10???4????????,???3.2????4.3?????,??

??????????,????,?????,???????????

????????????,30????10?11????????????5.2???????????(???) ??:?????????????? ??“51pc·mc??????”????

?? ???? ?5.6????????????

????:1?51pc·mc??????:??????

2??????

3???????

4??????

5??????????

?1?????30???????????? ??,30??????????,??????5.6?,??????????21????????6.4??

????????,30???????10?11??,????????5.6??????????,?10?,??????5??,?????????????????10???4????????,???3.2????4.3?????,??

??????????,????,?????,???????????

????????????,30????10?11????????????5.2???????????(???) ??:??????????????