清除刷花痕迹
导流罩
锤展金属
金属片加工
刻痕和堆焊
轴包套

Boss \Boss\ (b[o^]s), v. t. [imp. & p. p. {Bossed} (b[o^]st); p.
pr. & vb. n. {Bossing}.] [OE. bocen, fr. OF. bocier. See the
preceding word.]
To ornament with bosses; to stud.