Investigations and experiments indicate that charring ablators provide the most efficient thermal protectionshield for the re-entry vehicles.
载人飞船返回舱的烧蚀热防护技术研究和试验表明，碳化烧蚀材料是再入飞行器最有效的热防护层。
2
The active oxygen generated from the action of silver ions sterilizes the refrigerator environment giving your food a protectionshield and keeping it fresh for long hours.
从银色离子的行动引起的活跃氧气消毒给您的食物保护盾和保持它的冰箱环境新鲜在长时间。
3
The eggs have 3 different colors and each of color make the chicken flying, get protectionshield and ride on skates to speed up. The magnet attracts coins around the chicken.