A crack was found in the shuttle's insulating foam, and NASA is trying to figure out if they can go ahead with the planned forth of July launch which has already been delayed twice.
A crack was found in the shuttle's insulating foam, and NASA is trying to figure out if they can go ahead with the planned forth of July launch which has already been delayed twice.
隔热发泡有裂缝，美国航天局正在设法弄清楚是否能有计划的在7月进行发射，发射已经推迟了2次。