superfine grain meaning in English
超微粒
Examples
- Powder metallurgy ( pm ) superalloys has the advantage of homogeneous organization , superfine grain , high yield strength and high elevated temperature fatigue strength , so it becomes the first choice material for the new turbine disks
而粉末高温合金材料具有组织均匀、晶粒细小、屈服强度高、高温疲劳性能好等优点，已成为新型涡轮盘的首选材料。