surface imperfection的用法和樣例：
例句
- Some surface defects in the EOM of the compresser blades made of titanium alloys are also discussed.
初步討論了鈦合金壓氣機葉片在電解加工中出現的一些表面缺陷問(wèn)題。 - With the augmentation of grain size, surface defects of the manganese zinc ferrite nanocrystallines minish, and intergranular free volume combines.
隨著(zhù)粒徑的增大，納米晶的表面缺陷減小，晶界間的自由體積發(fā)生復合。
