论文部分内容阅读
洛克希德公司生产了一种重量较轻的新型防热瓦,采用这种瓦可以使航天飞机减少900磅的重量。这种新型瓦命名为 FRIC-12(耐熔合成纤维防热材料,每立方英尺12磅),它将首次使用在第三架航天飞机轨道
Lockheed has produced a lighter weight, new heat-resistant tile that will reduce the space shuttle’s weight by 900 pounds. Named FRIC-12 (12 psi melting-resistant synthetic fiber heat-resistant material), this new tile will be used for the first time on the third shuttle’s orbit