短語(yǔ)詞組短語(yǔ)upper -surface aileron 上表面副翼upper cambered surface 上翼面Upper Net Surface Design 鞋面網(wǎng)面設(shè)計(jì)upper wing surface 機(jī)翼上表面upper floor surface 樓面upper surface grinding width 上側(cè)平面研磨寬度;上方磨盤(pán)upper surface aileron [航]上翼面副翼upper surface of tongue 舌背 返回 upper surface