??
???????????1????????????????31???? ????:??????????????4??“??????????”:???
? ?????????????? ?????????????? ???????????
?,????????????,?????,??“????”?????????????,???????????????????,???
?????(????????????????)???? ????? ????60?????,??60?,??????????????10???????,????????,????????(????)?????
“?DN500?,????????????300???,?????”1????25????????????????,??????(????????????????????????????)????????
“??????????????????????????????????……”??,“????”??????????????????????????:“????????????????????,?????????,?????????????”
??????,????“???4???????????????????????????50???????2????,???????????????????,???”??,???????,???“????”?
??????????????????????(???)??? ???????? ?????????????,“?????????????”??????????DN500?,???,????,?????????????????,???????????
????????,44??????????????(???????????????)???:“?????????,?????,???????????,?????????????”
??????????(?????)???????????,??,??????????????????????,?????,??,????????,????,???????????
????4???,??,????,??????????????????????????
??,????????????,????????????????,?????????,?“??”???????????(????)
?????????????:????????????
?????(???)??4???????“?????”:????????????????