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酚充填碳烧蚀挡板材料(PICA),是
种埋在酚树脂中的碳纤维交叉结
。
;[医]异食癖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酚充填碳烧蚀挡板材料(PICA),是
种埋在酚树脂中的碳纤维交叉结
。
To find out the characters per pica of a type face at a particular type size copyfitting tables are available for this purpose.





体在
大小下,每派卡的
符数量,可以查阅[配稿
数表].
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