短語詞組短語external shoulder angle 陽角扇形甎external edge angle [機(jī)]外刃口角external cone angle 麪角external blade angle 外周葉片角external friction angle of soil 土的外摩擦角external l angle bead tile 陽條甎residual external angle 餘外角external angle of scapula 肩胛外角external perimysium shoulder angle 陽角座external angle bisector 外分角 返回 external angle