风环---塑料加工机械类吹膜机组的重要组成部件，负责对吹胀的膜泡进行冷却定型。风环对吹塑薄膜制品的质量和产量都有极大影响。近几年在迷宫式滴管带机组中也广泛应用。
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 lines are adopted new technologies in the world , like the most advanced heat-channel extrusion technology, special air ring with performance and so on.
介绍了我公司在应用碱性酚醛树脂砂工艺生产汽轮发电机铝合金铸件导风环的过程中，对制芯工艺进行的改进。
Improvement of core-making technology was conducted by adopting basic phenolic resin sand for aluminum alloy air guide ring in the turbogenerator produced by Harbin Rlectric Machine Co.
风眼四周环绕着“眼壁”，即一圈剧烈雷暴区域，通常是整个热带气旋中天气最恶劣的区域。
It is surrounded by the eyewall, a ring of towering thunderstorms where the most severe weather of a cyclone occurs.
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