短語詞組短語dead rise angle 底角differential protection for dead -angle principle 間斷角原理差動(dòng)保護(hù)Easy Appear Dead Angle 易出現(xiàn)死角No Mixing Dead Angle 無混合死角dead angle acumulation 死角堆積spy dead angle 防控死角measurement of dead angle 間斷角測量firing dead angle [軍]射擊死角steerage dead angle 舵效死角 返回 dead angle