upper surface
短语词组
- upper -surface aileron 上表麪副翼
- upper cambered surface 上翼麪
- Upper Net Surface Design 鞋麪網麪設計
- upper wing surface 機翼上表麪
- upper floor surface 樓麪
- upper surface grinding width 上側平麪研磨寬度;上方磨磐
- upper surface aileron [航]上翼麪副翼
- upper surface of tongue 舌背 返回 upper surface