???¥è? ?¥å??ï¼?ä¸?»ºäº?å±????¨å???¸æ????????¸å¤§è¿??°é??4?·çº¿ä¸???å·¥ç?è¥??¾å?ºé?´å?³çº¿?¾æ???ºé¡º?©å?????

????ï¼?æ­¤æ???è¿??ºé?´é??304ç±³ï??½å·¥???å¤???????è¿?é£??©é????§å?¶å??ç´?å¤???为ä?ç¡???¾æ???ºé¡º?©å???ï¼?项ç???¢é??对æ?¹æ?ä¸????è¡?ä¼???å®???ï¼???è¿?è¶????°è´¨é¢??¥ã???¨æ????æµ???ä¼?????è¿????°ç??¹å?ï¼?å®??°ä??¾æ????è¿??½å·¥??ç²¾ç???管ç????

大è??°é??4?·çº¿ä½?为å??å¸????¨ä?西å????骨干线ï?串è??èµ·ä?????ç§???????æ¢?±¼æ¹¾ä¸¤å¤§å???½å?ºï?建ç?两大???½å?ºç???´æ?¥è??ç³»ï???é«?两大???½å?ºç??轨é??交é?????¡æ°´å¹³ï?对带?¨æ²¿çº¿é???¹ç???ºå??å±??·æ????è¦???ä¹?ï¼?å®??°äº¤??å¼?导å??å¸???å±???ï¼?é»??¿ï?