fly wing to wing  比翼

Anti-Whirl  抗回旋

backward whirl  反向涡动; 反进动

Carmen whirl  卡门涡流

circular whirl  圆涡

circumpolar whirl  绕极旋风

depress whirl  控旋

dust whirl  尘旋; 尘旋〔风〕; 尘卷风

dust-whirl  尘旋

eddying whirl  涡流

film whirl  油膜涡动

Fire Whirl  火旋风; 旋转火焰; 火焰; 火旋; 火旋涡

Flat-bell Cover Whirl Combustion Chamber  扁钟罩型涡流燃烧室

forward whirl  正进动

gas whirl  气膜振荡

hair whirl  毛涡

half-speed whirl rub  摩擦振动

Linear whirl transformer  线性旋转变压器

liquid-gas (particle) whirl fluid  液-气(固)旋流