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

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

3???????

4????????

5????????

???????????????1????31?????????????????? ???:????4????????????“???????”:???

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

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

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

????????60????????????????????,????????????60?????,??10?????????????,????????,?????(????)?????????????

“???DN500?????,?300??,?????????????”1?????25?,?(???????)?????????????

“??????????????????????????????????……”???,“????”???????:“????????????,?????????????,???”

????????,?????“?4??????????????????50?????????????????2??????????,??????????????,??????????”???,?????,?“????????????????”?

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

????????,“???????”?????????????????????????????DN500??????????,?????????,????????????,?????????????????????????????????,??????????

??????????????,44???????????????(?)???????:“??,??,??????,?????”

???(???????????)?????????????,????????,???????????????,??????????????,????,?????,????????????????,???????

????????4???,????,???????????????????,????????????????

????????????????,?,?????????,????,???“??”?????(???)

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