??????????
??150????????????????????250??????????????????2??
??500????????????????2??
???250?????????????????????1-2??
??????????????????2????20-30????????
??????????????????????????????????????????2?3??????????????????
????????24????30????????????12????20????15????6????????9?????5???????????????????????????????????????????????????????????????????????????????????????????????????????
???????????150?200?????????????30????10?????????????????????1????????????????????????????????
??????????100???????????????30?????1000????400??????2????????????????????????
????????????60????15????10?????????????50?????100?????????????????????????????
???????????30?????20??????????6??????????3???????????
?????????????????10??????????3???????????
????????1500??????????????10??????????????????????3????????????????4?5?????????????????????