?¨ç???°ç?æµ?????????ºï?ä¸??é£??????¸è?ä½?温ï?-60??ï¼??·å???工人ä»???¨å?ç¢???ï¼?????å¤??¥ï?ä»?å¤??¨è?40????é«?温天æ°?ï¼??°é?¶ä?60????è¶?ä½?温å?·å?ï¼?å¦?æ­¤è?100????温差??éª???æ¯?ä¸?ä½?å·¥ä?人å?????¨è?ç§????ä¸?ï¼?工人ä»??天é??è¦?è¿??¥è?ä½?温å?·å?äº?ä¸???次ï????°å?¸è´§é«?å³°æ??ï¼?è¿??ºå?·å?次æ?°æ?´æ???è¾?00å¤?次ã??

ï¼?å±±ä???ä¸??è¿?æ´?ï¼????°ï?é£?????????? å§?æ¬ ??ï¼?