BRAD: a thin, wire nail; sometimes peened on one end.
曲头钉：一种细金属钉；有时候一端是平头的。
2
All reworked surfaces must be shot-peened after removing material damaged by corrosion, heat, and deformation.
所有的翻修表面在去除腐蚀、受热和变形材料后必须进行喷丸。
3
Restoration of the shot-peened layer during overhaul is important to ensure that the shot-peen compressive residual stresses are maintained or restored.