短語詞組短語external shoulder angle 陽角扇形磚external edge angle [機]外刃口角external cone angle 面角external blade angle 外周葉片角external friction angle of soil 土的外摩擦角external l angle bead tile 陽條磚residual external angle 余外角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