1) equivalent air wedge

等效空气劈尖
2) anchor tipping efficacy

尖劈效应
3) cavity wedges

空腔尖劈
1.
Research on the sound absorption performance of cavity wedges and optimization of their design
空腔尖劈吸声性能计算及其优化设计
4) air-equivalent

空气等效的
5) equivalent air path

等效空气程
6) spires
[英][spaiə] [美][spaɪr]

尖劈
1.
Discussion on the simulation of atmospheric boundary layer with spires and roughness elements in wind tunnels;
关于风洞中用尖劈和粗糙元模拟大气边界层的讨论
补充资料:比等效百万吨数