??工们å¼?å±?天ç?¶æ???缩æ?ºç??ç»´æ?¤æ??¥ä?ä¸?

????12??23?¥ï???ä¸?æ²¹ç?°æ²¹æ°???è¾????¸é?å°??¡è????ç«?ç»?ç»?å¼?å±?äº?天ç?¶æ?设å?ä¸?项æ??¥ï????¹å?天ç?¶æ???缩æ?ºã???²ç???µæ?设å???设å?æµ?ç¨?管线?????¨å??设å?è¿?è¡?ç»´æ???è¯?è¿???ä¿??»å?????£æ???¥ï?对å???°ç??????°å?ºè?è¡??´æ?¹ï????¶æ??¤å??¨é???£ã??ï¼?ä¸??½ç?³æ²¹??ä¸?æ²¹ç? ??ç¿?ï¼?