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的首选是充填碳烧蚀挡板材料(PICA),是一种埋脂中的碳纤维交叉结构。
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的首选是充填碳烧蚀挡板材料(PICA),是一种埋脂中的碳纤维交叉结构。
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