我国自主研发生产的一种碳纤维产品，各项性能达到国际先进水平，其密度是钢的四分之一，强度是钢的十倍。它最适合用于制作_刷题宝

题干

我国自主研发生产的一种碳纤维产品，各项性能达到国际先进水平，其密度是钢的四分之一，强度是钢的十倍。它最适合用于制作（）

A：汽车的底盘

B：产品包装盒

C：打夯的重锤

D：航空器部件

上一题下一题 0.0难度选择题更新时间:2018-03-26 07:02:08

答案(点此获取答案解析）

D

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