chamfering 倒角; 倒棱; 坡口加工
Cham·fer, v. t. [imp. & p. p. Chamfered ; p. pr. & vb. n. Chamfering. ] 1. Carp. To cut a furrow in, as in a column; to groove; to channel; to flute. 2. To make a chamfer on. ◄ ►