?????????????????????

????:????????:????sz

???1??3?????? (?????? ???????????????????? ?????????)?????????3??????

????,?????????????????????????????,???????????????????????????????????????????????????????,?????????????“?”????“???”,????????????????????????????????????

????15????,????????????????????????????

??????????10???,???10????????????“????”??,????,?“????????”?????????????

??????,???????????????????????6.2??????????????,?????????,?????????550??????,?????

??????????????,????????????????,????????????????????????,??170???,?????????

???????,??,?????????????????????????????????,?????????160???????,???5????????,????6??,??10?????,??????20%?(??) ?????????????????:????