复杂零件的曲面设计工具的英文

advanced surface extension

• 复杂:    complex; complicat ...
• 零件:    part; element; det ...
• 的:    4次方是 The fourth po ...
• 曲面:    hook face; curve; ...
• 设计:    devise; project; p ...
• 工具:    tool; means; imple ...