短語詞組短語bevel protractor 量角槼;斜量角器;測角儀;斜口分度槼circular protractor 圓分度器;量角器optical protractor 光學(xué)測角器;光學(xué)量角器alidade protractor 照準(zhǔn)儀量角器;照準(zhǔn)儀分度器protractor screen 測角投影屏propeller protractor 推進式量角器Digital Protractor 試試數(shù)字量角尺Radian Protractor 弧度制量角器 返回 protractor