短語詞組短語round d angle 周角Tum round the angle 回轉(zhuǎn)角度round -angle loose pin hinge 圓角抽芯鉸鏈Round radins angle 整數(shù)向徑角round angle detail 圓角細節(jié)concave round angle radius 凹圓角半徑 返回 round angle