短語(yǔ)詞組短語(yǔ)lower burden surface 降料面lower punch surface camber 下曲面lower -surface-free-energy surface 低表面能表面lower surface grinding width 下側(cè)平面研磨寬度;下盤磨盤;下定盤lower surface camber 下曲面lower surface tension 表面張力小lower surface stagnation point 下表面滯點(diǎn) 返回 lower surface