??
?????????????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????(?) ???:??????
?????????
????????????????? ????5.6??????????????