air ring

基本解释

Visually the plane looks as though it is so fast it pushes through air, making air into an air ring, and it looks so beautiful.
观感上，飞机像是快得把空气冲开，把空气爆出一个气环，真的很美。
The lines are adopted new technologies in the world , like the most advanced heat-channel extrusion technology, special air ring with performance and so on.
机组采用世界上先进的热流道成型技术，高性能专用专利风环；
The article illustrates the process properties of mLLDPE and the methods to improve them; describes the improvement of the process equipment, such as extruder, die, air ring etc. with em- phases.
说明了茂金属催化剂线性低密度聚乙烯加工性能以及改进这些性能的方法，重点描述了挤出机、吹膜膜头和吹膜风环等加工设备的改进。

When environmental activists claim air pollutants kill thousands of Americans each year and sicken still thousands more, their claims ring hollow when they oppose a cost-effective, environmentally friendly solution.
FORBES: The Sierra Club Fails An Environmental Consistency Test