A crack was found in the shuttle ' s insulating foam , and nasa is trying to figure out if they can go ahead with the plan for the july launch which has already been delayed twice 在飞船的绝缘泡沫塑料上发现一道裂缝,国家航空和宇宙航行局正试图决定他们是否还要进行七月的发射,这次发射已经延期两次了。
The operations of insulation division include glass wool tel process , rock wool , sound proof , special ceilings , and insulating foams which are developed in partnership with major chemical companies 隔音保温材料部的生产始于1936年,是玻璃技术发展的产物,但更专业于保温和隔音材料,产品包括:玻璃棉岩棉隔音天花板特殊天花板及发泡保温材料。
It wants to make sure that its tank modifications have ended the threat of a large piece of hard insulating foam falling off and threatening the shuttle ' s fragile heat shield , like the piece that punctured and doomed the shuttle columbia in 2003 宇航局想证实燃料箱的改进结束了坚硬的绝缘泡沫脱落对飞船的脆弱隔热层的威胁,就像2003年那些刺入隔热层导致哥伦比亚号坠毁的碎片。