复合材料的纳米结构也能使较轻的材料具有很大机械强度。

The nanostructure of composites can also provide great mechanical strength in relatively light materials.

youdao

复合材料的纳米结构也能使较轻的材料具有很大机械强度。

The nanostructure of composites can also provide great mechanical strength in relatively light materials.

youdao