The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).
目前猎户座底部防热盾
首选是酚充填
挡板材料（PICA），是一种埋在酚树脂中纤维交叉结构。
挡板；体The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).
目前猎户座底部防热盾首选是酚充填挡板材料（PICA），是一种埋在酚树脂中纤维交叉结构。
The experimental results of low temperature ablator (beeswax and camphor) tests in the hypersonic wind Tunnel are presented in this paper.
文给出了低温材料高超声速风洞实验
结果。
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