短語(yǔ)詞組短語(yǔ)upper -surface aileron 上表麪副翼upper cambered surface 上翼麪Upper Net Surface Design 鞋麪網(wǎng)麪設(shè)計(jì)upper wing surface 機(jī)翼上表麪upper floor surface 樓麪upper surface grinding width 上側(cè)平麪研磨寬度;上方磨磐upper surface aileron [航]上翼麪副翼upper surface of tongue 舌背 返回 upper surface