????:1??????:?????????????

2??????????????

3??????

4???????

5?????????

7??????6?,??7??????????10???,????,????????,?98.0m????????(??125.30m)?,?,??,???????,?????????????:?????,??

?????????????????7?5????11???????,?,????300mm?????????????????(??????????,??????),?????????????????????,??:

??,?,???????,???????????15???????????200mmP?C????????3??;

?????????????2???,????15??????????????????????300??????????????????????????,??????????30??

?????7????????6???????????????17????????,?????;????????????????;??????????????,?;?????,????

(????????????? ??????? ?????)

??:????????????????