基本解释[机械工程]纳米晶结构英汉例句双语例句Because nano-beam is sensitive to the intrinsic stress in the structure, it is always made of single-crystalline materials.由于纳米梁对结构中的内应力非常敏感,所以一般采用单晶材料制作。nano-crystalline structure更多例句专业释义机械工程纳米晶结构