单词：sweep forward
sweep forward的用法和样例：
例句
- This paper presents the design and experiment of a high performance three-stage axial fan with forward swept blades.本文介绍了一台高性能前掠叶型三级轴流风扇的设计与试验研究。
- The blade both with positively curving and forward sweeping further strengthens this kind of effect, providing a freedom to the blade design.正弯与前掠的结合进一步加强了这种控制作用，为叶片设计提供了一个自由度。
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